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Prefixes, some of which
can be used with STA-STO-STI-SIS:
- AB = away
- AD = to, toward ------- assist
- CIRCUM = around -------- circumstance
- CON-COM = with ---------- constable, consistence, constant
- CONTRA = against
- DE = down, from ----------- destination, destiny
- E(X) = out of, outside --------- existence
- EXTRA = beyond
- IN-EN = in, into ----------- instability, instantaneous, institution
- INTER = between
- OB = against ---------- obstacle
- PER = through, across ---------- persist
- POST = after
- PRE = before, toward
- PR0 = before, forward
- RE = again ----------- reconstitute
- RETRO = backward
- SUB = under, below --------- substitution
- TELE = far
- TRANS = across
Prefixes that are number-related where
some may be used with STA-STO-STI-SIS:
- PRIMO = first, most
- ULTI = last
- UNI = one
- BI-DI = two
- TRI = three
- QUAD = four
- DEC = ten
- CENT = hundred
- MULTI = many
- PLU = more
- OMNI = all
- AMBI = both
- EQUI-PAR= equal
- SEMI = half
- Lists of the prefixes a-, an-: Part 1 of 4 with definitions.
- Lists of the prefixes a-, an-: Part 2 of 4 with definitions.
- Lists of the prefixes a-, an-: Part 3 of 4 with definitions.
- Lists of the prefixes a-, an-: Part 4 of 4 with definitions.
- List of the English words from acous-, -acusia: (hearing, listening)
with definitions and quizzes.
- English words from acro-: (top, tip, high) Part 1 of 2
with definitions and quizzes.
- English words from acro-: (top, tip, high) Part 2 of 2
with definitions and quizzes.
- English words from adeno-: (glands, glandular) Part 1 of 2 with definitions.
- English words from adeno-: (glands, glandular) Part 2 of 2 with definitions.
- English words from adipo-: (fat, lard) with definitions.
- English words from aero: (air, wind) Part 1 of 2 with definitions and quizzes.
- English words from aero-: (air, wind) Part 2 of 2 with definitions and quizzes.
- English words from -agogue-: (lead, leading, guiding) with definitions.
- English words from algesi-: (pain, hurt) Part 1 of 3 with definitions and quizzes.
- English words from algesi-: (pain, hurt) Part 2 of 3
with definitions and quizzes.
- English words from algesi-: (pain, hurt) Part 2 of 3
with definitions and quizzes.
- English words from Greek alphabet: (Greek letters) with pronunciations.
- English words from amphora: (origin of @) with historical info.
- English words from andro-: (man, male) Part 1 of 2 with definitions and quizzes.
- English words from andro-: (man, male) Part 2 of 2 with definitions and quizzes.
- English words from -anima-: (animal life, breath) with definitions.
- English words from -aniso-: (unequal, uneven) with definitions.
- English words from -arch-: (chief, principal leader, first [in position or rank]) with definitions.
- English words from -archy-: (govern, rule; ruler, chief [first in position]) with definitions.
- English words from baro-: (weight, heavy; atmospheric pressure; a combining form meaning “pressure”, as in barotaxis, or sometimes “weight”, as in baromacrometer) with definitions.
- English words from bentho-: (deep; the fauna and flora of the bottom of the sea; sea bottom; depth [by extension, this element includes lake, river, and stream bottoms]) with definitions.
- English words from -capno-: (smoke, vapor) with definitions.
- English words from capno mania: (smoking addiction) Part 1 of 4 with definitions and illustrations.
- English words from capno mania: (smoking addiction) Part 2 of 4 with definitions and illustrations.
- English words from capno mania: (smoking addiction) Part 3 of 4 with definitions and illustrations.
- English words from capno mania: (smoking addiction) Part 4 of 4 with definitions and illustrations.
- English words from capno phobia: (smoking fears) Part 1 of 4 with definitions and illustrations.
- English words from capno phobia: (smoking fears) Part 2 of 4 with definitions and illustrations.
- English words from capno phobia: (smoking fears) Part 3 of 4 with definitions and illustrations.
- English words from capno phobia: (smoking fears) Part 4 of 4 with definitions and illustrations.
- English words from gyno-: (woman, female) Part 1 of 2 with definitions.
- English words from gyno-: (woman, female) Part 2 of 2 with definitions and illustrations.
- English words from -myths: (Greek-Latin ) with categories.
- English words from plankton: (floating) Part 1 of 2 with definitions.
- English words from planktons: (floating) Part 2 of 2 with definitions and a cartoon.
- English words from quest: (ask, seek) with definitions.
- English words from Sam McGee: (poem) with illustrations.
- English words from sesqui-: (one and one half) with definitions.
- English words from sesquipedalians: (big words) Part 1 of 2 with translations.
- English words from sesquipedalians: (big words) Part 2 of 2 with translations.
a-, an- (Greek: a prefix meaning: no, absence of, without, lack of, not).
A prefix that is normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels. It affects the meanings of hundreds of words.
There are too many words that use these prefix elements to list all of them; however, there are some significant examples listed in this and the other groups provided.
abacterial: Free of bacteria; without bacteria.
abaptism: The absence of baptism; no baptism.
abarognosis: Loss of the sense of weight; unaware of weight.
abasia: The inability to walk due to a limitation or absence of muscular coordination; not able to walk.
abiocoen, abiocen: The sum of all the nonliving components of an environment or habitat.
abiogenesis: 1. The origin of living things from things inanimate; i.e., life coming from non-living material. 2. Spontaneous generation; the concept that life can arise spontaneously from non-living matter by natural processes without the intervention of supernatural powers.
abiology: The study of non-living things.
abiosis, abiotic: Absence or deficiency of life; devoid of life.
abiotrophy: Progressive loss of vitality of certain tissues or organs leading to disorders or loss of function. The longevity of the heart, for instance, may be appreciably shorter than that of other organs of the body, leading to early disturbance in function which upsets organ-equilibrium.
ablepsia: Loss of sight; blindness.
abrachia: Congenital absence of arms; having no arms.
abranchiate: Without gills.
abrosia: The total lack of food consumption; fasting.
abulia, abulic: 1. Absence of willpower or wishpower; the term implies that the subject has a desire to do something but the desire is without power or energy. 2. A disorder marked by the partial or total inability to make decisions.
abysm, abyss: Without a bottom; bottomless.
abysmal: Not capable of being measured or understood; incomprehensible, inscrutable.
acapnia: Lack of carbon dioxide in the blood and tissues.
acardia: Without a heart; having no heart.
acarpous: Without fruit, not bearing fruit.
acathisia: The inability to sit down because of the intense anxiety provoked by the thought of doing so. It may also apply to the inability to sit still and to other irritative, hyperkinetic symptoms that are sometimes seen as a complication of neuroleptic therapy.
acathexia: Inability to retain bodily secretions.
acaudal, acaudate: Without a tail; tailess.
acaulescent: With no stem or with a stem that is very short.
acellular: Containing no cells.
acenesthesia: Absence of the normal sense of physical existence and well-being and of the regular functioning of the bodily organs.
acentric: Not central; not located in the center.
acephalia, acephalous: 1. The absence of a head; having no head. 2. Having no leader or ruler.
acephalobrachia: Congenital absence of the head and arms.
acephalochiria: Congenital absence of the head and hands.
acheilia: A condition present at birth in which there is an absence of one or both lips.
acheiria, achiria: Lacking hands; also, loss of sensation, total anesthesia, or a feeling of absence of the hands; sometimes a hysterical symptom.
acheiropody: Absence of the hands and feet.
achondroplasia: A congenital bone disorder caused by abnormal conversion of cartilage into bone, resulting in deformities and dwarfism.
achromatic, achromic: Without color; unpigmented; white, gray, or black in appearance.
acinesia: Lack of movement.
aclusion: Absence of occlusion of the opposing tooth surfaces.
acoprosis: Absence of fecal matter from the intestine.
acoprous: Having no fecal matter in the intestine.
acoria: Absence of the pupil of the eye.
acotyledon: Any plant without seed leaves.
acrania: A partial or complete absence of the skull.
acroagnosia: Lack of sensory recognition of a limb.
adactyly, adactylia: The absence of digits on the hand or foot.
adermia: Without skin.
adiabatic: In thermodynamics, describing a process in which there is no transfer of heat into or out of the system in question; without loss or gain of heat.
adiadochocinesia, adiadochocinesis; adiadochokinesia, adiadochokinesis: Loss of the power to perform rapid alternating movements. This symptom is indicative of a disorder of the cerebellum or its tracts.
adiaphoria: Non response to stimuli as a result of some previous exposure to similar stimuli.
adiathermancy, adiathermance: The condition of being impervious to or unaffected by heat waves.
adiathermanous, adiathermic: In physics, a reference to the inability of transmitting radiant heat; not affected by heat.
adipsia: The abnormal absence of thirst; an abnormal avoidance of drinking.
adromia: The absence of impulse conduction in a nerve of a muscle.
adynamia, adynamic: 1. Lack or loss of normal or vital powers. 2. Characterized by or causing weakness.
afebrile: Without fever.
afetal: Without a fetus.
agalactia: Absence of milk in the breasts after childbirth.
agamete: An asexual reproductive cell that progresses directly into an adult, as a spore.
agamic: Nonsexual reproduction, as by fission, budding, etc.
agastria: Absence of the stomach.
agastric: Having no alimentary canal.
agenesis: Lack of development or absence of an organ or other body part.
ageotropism, ageotropic: The absence of orientation movements in response to gravity.
agerasia: Without old age; appearance of youth in old age.
ageusia, ageustia: Absence or impairment of the sense of taste; it may be due to disorder in the gustatory apparatus (i.e. the taste buds). It is also seen in psychiatric conditions, particularly in depressed patients who complain that food is tasteless.
aglossia: Without a tongue; not tongue.
agnathia: A total absence of the lower jaw.
agnosia: 1. The inability to recognize certain sensory stimuli. 2. A loss of the ability to comprehend the meaning or to recognize the importance of various types of stimulation. 3. Total or partial loss of the ability to recognize familiar objects, often resulting from brain damage.
agnostic: 1. Not known, unknown; [coined by Thomas Huxley in 1870]; an assertion of the uncertainty of all claims to knowledge. 2. One who believes the existence of God is unknown, but does not deny the possibility that God exists.
agonic: Not forming an angle; no angle.
agrammaphasia: Ungrammatical speech; a form of aphasia, in which the patient forms words into a sentence without regard for grammatical rules of declension, conjugation, comparison of adjectives and adverbs, auxiliary verbs, prepositions, conjunctions, articles, etc.
agrapha: Sayings attributed to Jesus, but not in the Bible.
agraphia: A disorder marked by the inability to write; loss of the power, or the inability, to communicate (ideas) in writing, and thus a subdivision of aphasia.
agraphognosia: The inability to identify numbers or letters traced on the palm (or other parts of the body surface).
akinesia, akinesis: 1. Absence or poverty of movements. 2. Absence or diminution of voluntary motion that may range from moderate inactivity to almost complete immobility.
alalia: Speechlessness; loss of the ability to talk.
aleukemia: A lack of leukocytes in the blood.
aleukocytic: Absence or extremely reduced numbers of leukocytes in the blood or in lesions.
alexia: 1. A loss of the ability to understand written language, inability to read because of brain lesions; word blindness. 2. An acquired disorder in reading ability; to be differentiated from dyslexia, which is a developmental problem in reading. [Strictly speaking, lexus and its derivatives refer to speech, not reading, because they are based on the Greek verb legein, to speak, and not on the Latin verb legere, to read. Current usage appears to reflect an etymological error, so long accepted that to insist on correcting it would be useless.]
a-, an- (Greek: a prefix meaning: no, absence of, without, lack of, not).
A prefix that is normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels. It affects the meanings of hundreds of words.
There are too many words that use these prefix elements to list all of them; however, there are some significant examples listed in this and the other groups provided.
alogia: The inability to speak due to a mental deficiency or an episode of dementia.
amaranth: 1. A legendary flower that never fades or dies. 2. Any plant of the genus Amaranthus, some of which are grown especially for their flowers and colored leaves.
amastia: Absence of the breasts.
amaurosis: Partial or total loss of sight.
ambrosia: 1. In Greek and Roman mythology, the food or drink of the gods thought to bestow immortality (a- [not] + Greek brotos [mortal] + -ia).
amelia: Congenital absence of a limb or limbs.
amenorrhea: Absence or abnormal stoppage of the menses (menstruation); also amenia.
amnesty: A general pardon, especially for political offenses against a government (a- [without] + mne [memory] + -ty).
amentia: Without normal mental abilities.
ametria: Absence of the uterus.
amicrobic: Not microbic.
amicroscopic: Too small to be seen through a microscope; unable to be seen even with a microscope.
amimia: A loss of the ability to express oneself with signs or gestures.
amnemonic: Relating to the loss of memory.
amnesia: Partial or total loss of memory; the inability to recall past experiences; lacking memory.
amoral: 1. Neither moral nor immoral. 2. Not concerned with or amenable to moral judgments; not caring about good behavior or morals; lacking moral principles.
amorph: Without shape or form.
amorphous: 1. Having no definite form; shapeless, formless. 2. Not belonging to a particular type or pattern. 3. Without crystalline form or structure.
amort: Without death; not dying.
amusia: The inability to produce or comprehend music or musical sounds. From Greek amousia (through New Latin), a state of being without the Muses, especially song.
amyoesthesia: Absence of muscle sensations.
amyoplasia: Deficient formation of muscle tissue and deficient muscle growth.
amyotonia: Generalized absence of muscle tone, usually associated with flabby musculature and an increased range of passive movement at joints.
amyotrophia: Lacking muscle nourishment.
amyous: Lacking muscular tissue or muscular strength.
amyxorrhea: The absence of the normal secretion of mucus.
anachronism: Something or someone that is not in its correct historical or chronological time, especially a thing or person that belongs to an earlier time.
anacidity: Absence of acidity; the abnormal absence of hydrochloric acid in the stomach.
anacousia, anacusia, anakusia, anacusis, anakusis: Total deafness; without the ability to hear.
anacoustic: A situation in which sound cannot be transmitted.
anadenia: Absence of glands.
anaerobe: A microorganism that lives and grows in the complete, or almost complete, absence of molecular oxygen.
anaerobic: Living without oxygen or air.
anaerobiosis: Existence in an oxygen-free atmosphere.
anaerophyte: A plant that grows without air.
anaeroplasty: Treatment of wounds by exclusion of air.
analgesia: A state in which painful stimuli are so moderated that, though still perceived, they are no longer painful; feeling no pain.
analgesic: A drug or remedy that relieves pain; such as, aspirin, etc.
analphabetic: Not able to read or to write.
anandria: An absence of masculinity.
anandrous: In botany, having no stamens.
ananthous: In botany, having no flowers.
anaphrodisia: Repressing or destroying sexual desire.
anarchy: 1. The complete absence of government. 2. Political disorder and violence; lawlessness. 3. Disorder in any sphere of activity.
anarthria: Loss of articulate speech.
anastral: Lacking an astrosphere.
anechoic: Free from echoes; completely absorbing sound waves or radar signals.
anemia: Lack of red blood cells.
anemotrophy: A lack of substances essential to the formation of blood.
anencephaly: 1. Congenital defective development of the brain, with absence of the bones of the cranial vault and absent or rudimentary cerebral and cerebellar hemispheres, brainstem, and basal ganglia. 2. Partial or total absence of the brain at birth.
anenterous: Lacking intestines.
anenzymia: Congenital absence of an enzyme.
anephric: Without kidneys.
anephrogenesis: Congenital absence of kidney tissue.
anergy: Lacking energy.
aneroid: Without fluid.
anerythroplasia: A condition in which there is no formation of red blood cells.
anesthecinesia, anesthekinesia: Lacking proper movement; combined sensory and motor paralysis.
anesthesia: A total or partial loss of the sense of pain, temperature, touch, etc.
anecdysis: The absence of molting or a prolonged intermolt period.
anethopathy, anetopathy: Absence of moral inhibitions; unethicalness.
aneuthanasia: Painful death.
anhedonia: Absence of pleasure from the performance of acts that would ordinarily be pleasurable.
anhidrosis, anidrosis: Absence or deficiency of sweating; in humans this is usually due to absence or paralysis of the sweat glands or to obstruction of the sweat ducts.
anhydration: A lack of water in the system.
anhydride: A compound derived by the removal of water from an acid or other compound.
anhydrobiosis: Dormancy induced by low humidity or by drying out.
anhydrous: Deprived or destitute of water; without water.
aniconia: Absence of mental imagery.
aniso: A word root meaning “not equal”.
anisognathous: Having jaws of unequal size.
anisothenic: Having unequal strength.
anisotropic: 1. Having unequal responses to external stimuli. 2. Having properties that vary depending on the direction of measurement.
anodontia: A congenital absence of the teeth other than by extraction or impaction.
anodyne: A medicine or remedy that soothes or relieves pain.
anoesis, anoesia: Absence of cognition or knowledge; a state of sheer feeling, having no reference to objects; noncognitive consciousness.
anoetic: Lacking the power of concentration.
anomalous, anomaly: Deviating from the normal rule, method, or arrangement; irregular, abnormal.
anomia: The inability to name objects or of recognizing and recalling their names. anomie, anomy: A reference to a lack of social control in which the absence of regulation and control has permitted desires to grow beyond all hope of satisfaction and so such a condition may result in “anomic suicide”.
anonychia: Congenital absence of nails (finger and/or toe).
anonymous, anonym: 1. With no name known or acknowledged. 2. Given, written, etc. by a person whose name is withheld. 3. Not easily distinguished from others or from one another because of a lack of individual features or character.
a-, an- (Greek: a prefix meaning: no, absence of, without, lack of, not).
A prefix that is normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels. It affects the meanings of hundreds of words.
There are too many words that use these prefix elements to list all of them; however, there are some significant examples listed in this and the other groups provided.
anopia: Absence of sight; especially, when due to a structured defect in or absence of an eye (or eyes).
anorchism: Absence of the testes.
anorexia, anorexic: A lack or loss of appetite for food; no appetite (also, a shortened term for anorexia nervosa).
anorgasmy: 1. Lack of sexual pleasure; inability to achieve orgasm. 2. Failure or lack of experiencing an orgasm.
anorthopia: Distorted vision in which straight lines appear as curves or angles, and symmetry is incorrectly perceived; without correct vision.
anorthosis: Sexual impotence.
anosmia, anosphresia: Loss or absence of the sense of smell.
anosognosia: Ignorance of the presence of disease.
anotia: Congenital absence of one or both auricles of the ears.
anoxemia: Absence of oxygen in arterial blood.
anoxia: 1. Absence or almost complete absence of oxygen from inspired gases, arterial blood, or tissues. 2. Absence or deficiency of oxygen in body tissues.
anuran: A reference to frogs and toads, all of which have no tail (an- [without] + Greek oura [tail]) and are highly specialized for jumping.
anuria, anuric: Absence of urine formation.
anypnia: Sleeplessness.
apancreatic: Without a pancreas.
aparalytic: Without paralysis; not causing paralysis.
apathy, apathetic: 1. Lack of emotion 2. Lack of interest; listless condition; unconcern; indifference.
apellous: Without skin.
aphagia: The inability to swallow; failure to eat or swallow because it causes pain.
aphasia: A defect or loss of expression by speech, writing, or signs, or of comprehending spoken or written language, due to injury or disease of the brain centers.
aphilanthropy: Lacking any concern or love for mankind.
aphobic: Without fear; fearless.
aphonia: A loss of voice due to an organic or functional disorder; voiceless, muteness.
aphosphorosis: A deficiency of dietary phosphorus in animals, particularly grazing cattle.
aphotesthesia: Decreased sensitivity of the retina to light caused by excessive exposure to sunlight.
aphotic: Without light; a reference to an environment or habitat having no sunlight of biologically significant intensity.
aphototaxis, aphototactic: The absence of a directed response to a light stimulus in a motile organism.
aphototropism, aphototropic: The absence of an orientation response to light.
aphrasia: 1. The inability to utter or understand words connected in the form of phrases while the ability to understand, single words may be unimpaired; whereas groups of words forming phrases may baffle him/her completely as far as using or understanding them is concerned. 2. Inability to speak, from any cause.
aphydrotaxis, aphydrotactic: The directed reaction of a motile organism away from moisture.
aphyllous: No leaves; lacking leaves, as most cacti.
aplacental: Without a placenta.
aplasia: 1. Complete or partial failure of tissue to grow or develop; arrested development. 2. Defective development or congenital absence of an organ or tissue.
aplastic: Without the power to grow toward normal, healthy tissue.
apleuria: Congenital absence of one or more ribs.
apnea, apnoea: 1. Temporary stopping of breathing that occurs in some newborns and in some adults during sleep. 2. Asphyxia. 3. In zoology, a temporary suspension of breathing in hibernating animals.
apneumia: Congenital absence of the lungs.
apodal, apodia: Congenital absence of feet.
apraxia: A loss of the ability to carry out familiar, purposeful movement in the absence of paralysis or other motor or sensory impairments.
aproctia: Congenital absence or imperformation of the anus.
aprosexia: The inability to maintain attention.
aprosodia: The inability to inflect one’s speech with affect or to recognize emotional elements of another’s speech.
aprosody: Absence, in speech, of the normal pitch, rhythm, and variations in stress.
apsychia: Loss of consciousness.
apsychognosia: A lack of awareness of one’s own personality or mental state; used particularly to refer to the alcoholic’s typical lack of awareness of the outside world’s reaction to his drinking.
apsychosis: Absence of mental functioning and particularly of thinking, as when in a stupor.
apterous: 1. Zoology, having no wings. 2. Botany, having no winglike parts or extensions.
apteryx: Having no wings, wingless; the kiwi.
aptyalism, aptyalia: Deficiency or absence of saliva.
apulmonism: Absence of lungs.
apyrexia, afebrile: The absence or intermission of fever.
apyrogenic: Not caused by pus.
arhinia, arrhina: Congenital absence of the nose.
arrhythmia: Loss or abnormality of rhythm especially an irregularity of the heartbeat.
aseism, aseismic: No earthquake; without shaking (as exists with an earthquake).
asemasia, asemia, asymbolia: Aphasia with the inability to employ or to understand either speech or signs.
a-, an- (Greek: a prefix meaning: no, absence of, without, lack of, not).
A prefix that is normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels. It affects the meanings of hundreds of words.
There are too many words that use these prefix elements to list all of them; however, there are some significant examples listed in this and the other groups provided.
asemia: Loss of the ability, previously possessed, to make or understand any sign or token of communication, whether of organic or emotional origin.
asepsis, aseptic: 1. A condition in which living pathogenic organisms are absent; a state of sterility. 2. Free from microorganisms that produce disease, fermentation, or putrefaction.
asexual: 1. Reproduction without nuclear fusion in an organism. 2. Having no sexual desire or interest. 3. Having no sex.
asiderosis: An abnormal decrease of the iron reserve of the body.
asitia: Anorexia; no appetite for food.
asocial: Not social; indifferent to social values; without social meaning or significance.
asoma: Without a complete body; a fetus with only a rudimentary body.
asomatognosia: 1. Lack of awareness of the condition of all or part of one’s body. 2. Lack of somatognosis which is a general feeling of the existence of one’s body and of the functioning of the organs.
asomatophyte: A plant in which there is no distinction between body and reproductive cells.
aspermia: Failure of the formation or the emission of semen.
asphyxia: A stopping of the pulse; pathological changes caused by lack of oxygen in respired air, resulting in hypoxia and hypercapnia.
asplenia, asplenic: Absence of the spleen.
asporous: Having no true spores; applied to microorganisms.
astasia, astatic: Motor incoordination with an inability to stand.
astereognosis: Tactile amnesia: Loss or lack of the ability to understand the form and nature of objects that are touched (stereognosis), a form of tactile agnosia.
asterixis: A lack of or a lapse of posture consisting of momentary loss of a fixed position of the hands or arms followed by a jerking recovery movement that restores the limb to its original position; also known as flapping tremor.
asthenia, asthenic: Lack or loss of strength and energy; weakness; debility or diminution of the vital forces.
asthenopia: Eye weakness or strain, often causing headache, ocular discomfort, etc.
asthenosphere: A zone beneath the earth’s surface that lies beneath the lithosphere and consists of several hundred kilometers of weak material that readily yields to persistent stresses.
astomatous: Having no mouth, as certain ciliates.
astomia: Congenital absence of the mouth.
asyllabia: A form of aphasia characterized by an inability to form or understand syllables, even while recognizing individual letters.
asymbolia, asymboly: The loss of power to comprehend the symbolic meaning of things such as words, figures, gestures, and signs.
asymmetry: A lack or absence of symmetry; dissimilarity in corresponding parts of organs on opposite sides of the body that are normally alike.
asymphytous: Separate or distinct; not grown together.
asymptomatic: Without symptoms; producing or causing no symptoms.
asymptote: A straight line that a curve continually approaches, but never meets, even if the curve is extended to infinity.
asynchronism, asynchronous, asynchrony: 1. Operating at a rate determined by the system rather than at a regular rate of chronological time; without a fixed time pattern. 2. Describing the relationship of two or more systems that run at their own rates and interact at unpredictable times.
asyndesis: A pattern of language in which words and phrases are juxtaposed without grammatical linkage; seen in schizophrenic and other mental disorders.
asynechia: Absence of continuity of structure.
asynergy, asynergy, asynergic: Lack of coordination among various muscle groups during the performance of complex movements, resulting in a loss of skill and speed.
asynesia: Profound mental dullness; stupidity.
asyntaxia: Lack of proper and orderly embryonic development.
asystole, asystolia, asystolic: Absence of a heartbeat.
atactic: A reference to muscle movements, irregular; lacking in coordination.
atactilia: Loss of the sense of touch.
ataraxia, ataractic: 1. The absence of anxiety or confusion; imperturbability; untroubled calmness; inner harmony. 2. A tranquilizer; having a tranquilizing or calming effect.
ataxaphasia: An inability to form phrases and sentences despite the ability to enunciate individual words.
ataxia, atactic, atactiform: 1. Absence or lack of order; lack of coordination. 2. An inability to coordinate muscle activity during voluntary movement; irregularity of muscular action.
ataxiadynamia: Muscular weakness combined with incoordination.
ataxophobia: A mental dread of disorder or untididness.
atectonic: A reference to an event that occurs in the absence of widespread crustal deformations.
atelesis: Absence of integration or successful completion.
atelia, ateliotic: Imperfect or incomplete development.
ateliosis: Incomplete development which may refer to psychic infantilism or puerilism, to mental retardation, and/or to physical dwarfism (microsomia).
atheism: 1. The belief that there is no God, or denial that God or gods exist. 2. Godlessness.
athermal: Not warm; said of springs with water that is below 15 degrees Centigrade.
athermanous: Absorbing heat rays and not permitting them to pass.
athermic: Without fever or with no rise of temperature.
athymia: 1. A name formerly given to absence of feeling or emotion, as seen in depression or the dysthymic disorder. 2. Apathy, emotional indifference, or unresponsveness. 3. Unconsciousness.
atocia: Sterility in the female.
atokous: Without offspring; non-reproductive; vegetative.
atom: 1. Literally, “not cutable”, not divisible. 2. Originally, any of the indivisible particles postulated by philosophers as the basic component of all matter. 2. A tiny particle of anything; jot.
atonia: Lack of tone or tension with reference to the muscles or bodily organs, etc.
atonic: Relating to or characterized by lack of tone or vital energy. It refers to the whole body, to a particular system of the body, or to single organs; especially to contractile organs.
atony: Lack of normal tone (tension) or strength (in muscles, etc.).
atopognosis: The inability to locate a sensation properly; sensory inattention.
atoxic: Not toxic; not caused by or associated with a toxin (poison).
atraumatic: Not inflicting or causing damage or injury.
atrichous: The absence of hair either congenital or acquired.
atrophia: The wasting away of tissues, organs, or the entire body.
atrophy: A wasting away, especially of body tissue, an organ, etc., or the failure of an organ or part to grow or develop, as with insufficient nutrition.
avascular: Without blood or lymphatic vassels.
avirulence: Not virulent.
axenic: Not contaminated by or associated with any foreign organisms, used in reference to pure cultures of microorganisms or to germ-free animals.
aypnia: Insomnia, sleplessness.
azoic: 1. Devoid of living organisms. 2. Without life; specifically, designating or of the Early Precambrian (Archean) era, before life appeared on earth.
azoospermia: Absence of living spermatozoa in the semen.
azygous: Not occurring as one of a pair; having no mate, single.
deuteranopia: A visual defect in which the retina fails to respond to the color green; so named from blindness to the color green, which is regarded as the second primary color.
myasthenia: Abnormal muscle fatigue or weakness.
neurasthenia: A disorder originally thought to result from neural exhaustion, including such symptoms as chronic fatigue, weakness, and irritability.
protanopia: A visual defect in which the retina fails to respond to the color red; so named from blindness to the color red, which is regarded as the first of the primary colors.
tritanopia: A visual defect in which the retina fails to respond to the color blue; so named from blindness to the color blue, which is regarded as the third primary color.
acouasm: In psychiatry: a nonverbal auditory hallucination, such as a ringing or hissing in the ears; acousma; also known as tinnitus.
acoubouy: Used by military ordnance, a listening device dropped by parachute onto land and water, used to detect sounds of enemy movements and transmit them to orbiting aircraft or land stations.
acouesthesia: The sense of hearing; auditory perception.
acroagnosis: Lack of sensory recognition of a limb (arms and/or legs); also, acragnosis.
acroanesthesia: Loss of sensation in the extremities; such as the hands and feet.
acroarthritis: Arthritis affecting the extremities (hands or feet).
acroasphyxia: 1. An obsolete term for acrocyanosis. 2. Neurosis marked by asphyxia of the extremities. 3. Impaired digital circulation, possibly a mild form of Raynaud’s disease, marked by a purplish or waxy white color of the fingers, with subnormal local temperature and paresthesia. Also known as “dead fingers”, or “waxy fingers”.
acroataxia: Ataxia affecting the distal portion of the extremities; such as, hands and fingers, feet, and toes. Ataxia is the inability to coordinate muscle activity during voluntary movement, so that smooth movements occur.
acrobat, acrobatic: A performer on the trapeze, tightrope, etc.
acroblast: A body in the spermatid from which arises the acrosome.
acrobrachycephaly: A condition resulting from fusion of the coronal suture, causing abnormal shortening of the anteroposterior diameter of the skull.
acrobryous: Growing only at the tip.
acrobystitis: Inflammation of the prepuce (foreskin).
acrocarpous: Bearing fruit at the end of the stalk, as some mosses.
acrocentric: A type of chromosome having the centromere near one end of the replicating chromosome, so that one arm is much longer than the other.
acrocephalia, acrocephalic, acrocephalous, acrocephaly: Denoting a head that is pointed and conelike; also known as, oxycephaly, oxycephalous.
acrocephalopolysyndactyly, acrocephalopolysyndactylism: Any of four heritable malformation syndromes recognizable at birth and characterized by premature craniosynostosis, syndactyly, and polydactyly [also: acrocephalopolysyndactylia].
acrocinesia, acrocinesis, acrocinetic: Excessive motility; abnormal freedom of movement; also acrokinesia, acrokinesis.
acrocontracture: Contracture (static muscle shortening due to tonic spasm or fibrosis, or to loss of muscular balance) of the joints of the hands or feet.
acrocyanosis, acrocyanotic: 1. Circulatory disorder in which the hands, and less commonly the feet, are persistently cold and blue. 2. A condition marked by symmetrical cyanosis of the extremities, with persistent, uneven, mottled blue or red discoloration of the skin of the digits, wrists, and ankles and with profuse sweating and coldness of the digits.
acrodendrophile, acrodendrophilous, acrodendrophily: Thriving in tree-top habitats.
acrodermatitis: Inflammation involving the skin of the extremities, especially the hands and feet.
acrodermatosis [singular]; acrodermatoses [plural]: 1. Any disease involving the skin of the extremities. 2. Any cutaneous affection involving the more distal portions of the extremities.
acrodolichomelia: Abnormal or disproportionate length of hands and feet as a result of disproportionate or continued growth beyond the usual time of physical maturation.
acrodont: 1. Having the teeth attached to the upper surface of the jaw rather than encased in a socket, a condition seen in many lizards and fish. 2. The teeth of some reptiles that have no roots and are joined to the jawbone.
acrodrome: Leaf with veins converging at its point.
acrodynia: 1. Disease of infancy and early childhood characterized by pain and swelling in, and pink coloration of, the fingers and toes. 2. A syndrome caused almost exclusively by mercury poisoning in children and gastrointestinal symptoms, in adults, by anorexia, photophobia, sweating, and tachycardia.
acrodysesthesia: 1. Abnormal sensations on the skin of the legs and arms; such as a feeling of numbness, tingling, prickling, or a burning or cutting pain. 2. Abnormal and unpleasant sensations in the peipheral portions of the extremities.
acrodysostosis: A disorder in which the hands and feet are short with stubby fingers and toes.
acroedema: Edema (an accumulation of an excessive amount of watery fluid in cells, tissues, or serous cavities) of hand or foot, often permanent.
acroesthesia: 1. Increased sensitiveness. 2. Pain in the extremities or “hyperesthesia” of one or more of the extremities.
acrogen, acrogenic, acrogenous: A plant, such as a fern or moss, having a perennial stem with the growing point at the tip.
acrogeria:1. Premature aging of the skin on the extremities (hands and feet) accompanied by wrinkling. 2. Congenital reduction or loss of subcutaneous fat and collagen of the hands and feet, giving the appearance of senility.
acrognosis, acrognosia: Sensory recognition of the limbs and of the different parts of each limb in relation to each other; normal sensory perception of the extremities.
acrogram: 1. The use of all of the letters from a word to form the first letter of each of the words that may be formed from the letters of the first word; for example, using the word “dare” to form four words beginning with “d”, “a”, “r”, and “e”. 2. Using the letters of a word as a basis for forming lines of poetry or lines in a song, etc. by referring to each of the letters of the base word.
acrography: 1. The art of making blocks in relief, as a substitute for wood-engraving. 2. A process of making chalk tracery in relief on metal or stone, to obtain from it an electrotype or stereotype.
acrohyperhidrosis: Hyperhidrosis (excessive sweating) of the hands and feet.
acrohypothermy, acrohypothermia: Abnormal coldness of the hands and feet. This is often seen in patients with schizophrenia in whom it is commonly associated with acrocyanosis.
acrokeratosis: Overgrowth of the horny layer of the skin, usually nodular configurations, of the dorsum of the fingers and toes, and occasionally on the rim of the ear and tip of the nose.
acrokinesia: Excessive motility; an abnormal freedom of movement; also acrocinesis.
acrolect: 1. The language variety among a group of related varieties that is closest to the standard form of the language. 2. The most prestigious or “highest” social dialect of any language.
acroleukopathy: A hereditary disorder of pigmentation characterized by white patches on the extremities; depigmentation of the extremities.
acrolith, acrolithic: In early Greek sculpture, a statue with a stone head, hands, and feet, and a wooden trunk.
acrology, acrological, acrologic: 1. Pertaining to, or founded on, initials. 2. In the development of alphabetic writing, a principle involving the use of initial sounds or signs in accordance with which letters have been evolved, named, and used.
acromacria: Abnormal length of the fingers. Also arachnodactyly.
acromania: 1. An obsolete term for chronic incurable insanity. 2. Any type of insanity in which agitation and motor excitement are prominent.
acromastitis: Inflammation of the nipple or nipples.
acromegalogigantism: Gigantism and acromegaly due to hypersecretion of the pituitary growth hormone beginning before puberty and continuing into maturity.
acromegaloidism: A bodily condition resembling acromegaly but not due to pituitary disorder.
acromegaly, acromegalic: A chronic disease of adults caused by hypersecretion of the pituitary growth hormones and characterized by enlargement of many parts of the skeleton, especially the distal portions; such as, the nose, ears, jaws, fingers, and toes.
acromelalgia: A condition affecting the extremities, especially the feet, marked by burning and throbbing sensations that come and go. Also erythromelalgia.
acromelic: Pertaining to or affecting the end of a limb, or limbs (arms or legs).
acrometagenesis: Undue, or abnormal, growth of the extremities (hands or feet) resulting in deformity.
acromicria: A condition in which the extremities of the skeleton are small and delicate (hypoplasia) including the nose, jaws, fingers, and toes.
acromioclavicular: A reference to the acromion and clavicle.
acromiohumeral: A reference to the acromion and humerus.
acromion, acromial: The lateral extension of the spine of the scapula, projecting over the shoulder joint and forming the highest point of the shoulder.
acromionectomy: The resection of the distal end of the acromion.
acromioplasty: The surgical removal of the distal inferior acromion process of the scapula to relieve impingement of soft tissues in the subacromial space.
acromphalus: Prominence of the navel, as may be seen in umbilical hernia.
acromycosis: A fungal infection of the limbs.
acromyotonia, acromyotonus: Contracture of the hand or foot resulting in spastic deformity.
acroneurosis: Any neuropathy of the extremities.
acronical, acronically, acronycal: Happening at sunset, as the rising of a star.
acronych, acronychal, acronyctous: Happening in the evening or at night-fall, vespertine, as the acronychal rising or setting of a star. Sometimes this term is used as if “rising in the evening or at sunset and setting at sunrise”; but this is not correct. When the rising is acronychal, the setting is cosmical, and vice versa. (According to the Oxford English Dictionary).
acronychous: Having claws, nails, or hoofs.
acronym, acronymic, acronymically: A word formed from the first (or first few) letters of a series of words; as with radar, that comes from radio detecting and ranging; NATO, which comes from North Atlantic Treaty Organization; scuba, which comes from self-contained underwater apparatus; and sonar, which comes from sound navigation ranging.
acronyx: In-growing nail (on the hand or foot); in-grown fingernail or toenail.
acro-osteolysis: Osteolysis (a softening and destruction of bone) involving the distal (farthest from the center, from a medial line, or from the trunk) phalanges of the fingers and toes.
acropachia: A condition seen in dogs, characterized by hyeperostosis of the bones of the limbs, later involving other skeletal regions; it may be associated with tumors or tuberculosis.
acropachy: 1. A thickening of the fingers and toes as a consequence of a pathologic condition that affects the periosteum and subcutaneous tissues, as in hyperthyroidism or hypertrophic pulmonary osteoarthropathy. 2. Thickening of peripheral tissues; seen most often in hypothyroidism and hypertrophic pulmonary osteoarhropathy.
acropachyderma: Thickening of the skin over the extremities, as occurs in acromegaly and pachydermoperiostitis.
acroparalysis: Paralysis of the extremities (includes hands and feet).
acroparesthesia: A disease marked by attacks of tingling, numbness, and stiffness in the extremities, chiefly the fingers, hands, and forearms; usually due to a carpal tunnel syndrome but also from other causes.
acropathology: The pathology of diseases affecting the extremities.
acropathy: Any disease of the extremities.
acropetal, acropetally: 1. Developing upward from the base toward the apex or tip. 2. Rising toward the summit.
acrophobe: A person who is excessively afraid of being in high places.
acrophobia: An abnormal fear of being in high places.
acrophony, acrophonic, acrophonetic: The sound of the initial or beginning; the use of what was originally a picture-symbol or hieroglyph of an object to represent phonetically the initial syllable or sound of the name of the object; e.g. employing the symbol of an ox, “aleph,”, to represent the syllable or letter “a”.
acrophyte: A plant growing at a high altitude; an alpine plant.
acropigmentation: Hyperpigmentation of the dorsal surfaces of the fingers and toes beginning in early childhood and usually increasing with age; more common in persons of dark complexion.
acropleustophyte: A large aquatic plant that floats freely at the surface of the water.
acropodium: 1. In birds, the upper surface of the foot. 2. Digits (fingers or toes).
acropolis, Acropolis: 1. A city at the top or on a hill, such as the Acropolis of Athens, Greece. 2. The fortified citadel of a city in ancient Greece usually on a high place.
acropustulosis: Pustular (small circumscribed elevation of the skin, containing purulent material) eruptions of the hands and feet, often a form of psoriasis.
acroposthitis: Inflammation of the prepuce (foreskin).
acrosarc: A pulpy berry resulting from union of ovary and calyx.
acrosclerosis, acroscleroderma: Stiffness and tightness of the skin of the fingers, with atrophy of the soft tissue and osteoporosis of the distal phalanges of the hands and feet; a limited form of progressive systemic sclerosis occurring with Raynaud’s phenomenon.
acroscopic: Facing towards the apex, opposite of basiscopic.
acrosome: 1. A structure at the end of a sperm cell that releases enzymes to digest the cell membrane of an egg, enabling the sperm to penetrate and enter the egg for fertilization. 2. Body at the apex of spermatozoon; apical body; perforatorium.
acrospire: The first shoot or sprout, being spiral, at the end of a germinating seed.
acrospiroma: A tumor of the distal dermal segment of a sweat gland.
acrospore, acrosporous: 1. The spore at the apex of a sporophore. 2. A spore produced at the apex of a hypha or cellular filament forming the structural element of fungi; a basidiospore.
acrostealgia: Painful inflammation of the bones of the hands and feet.
acrostic, acrostical, acrostichic: 1. A number of lines of writing, especially a poem or word puzzle, in which particular letters, e.g., the first, in each line spell a word or phrase. 2. A short poem (or other composition) in which the initial letters of the lines, taken in order, spell a word, phrase, or sentence. Sometimes the last or middle letters of the lines, or all of them, are similarly arranged to spell words, etc., whence a distinction of single, double, or triple acrostics. 3. A Hebrew poem in which the consecutive lines or verses begin with the successive letters of the alphabet.
acrostichal: Situated in the highest rank or row—used of certain bristles on the mesonotum of muscoid flies.
acrostichoid: Resembling the commencement of lines of poetry.
acrosticism: The method of acrostics; acrostichal arrangement or character.
acrostomorphilia: A paraphilia (sexual deviation or sexual perversion) in which sexual arousal is dependent on the sexual partner having an amputated stump.
acrosyndesis: In genetics, a pairing activity of homologous chromosomes at meiosis that involves the terminal portions of the chromosomes.
acroteleutic: Among Ecclesiastical writers, the end of a verse or psalm, or something added thereto to be sung by the people.
acroter, acroterial, acroterion, acroterium: 1. The pinnacles or other ornaments standing in ranges on the horizontal coping or parapets of a building. 2. On classical buildings, one of the angles of a pediment; also, a statue or other ornament placed at one of these; especially, at the apex.
acroteriasm: 1. Amputation of the extremities. 2. The act of cutting off the extreme parts of the body, when putrefied, with a saw.
acroteric: 1. Pertaining to the tips or outermost parts. 2. The outermost points, as tips of digits, end of the nose, ears, and tail.
acrotic: 1. Pertaining to the absence or weakness of the pulse. 2. Pertaining to the surface or outside of certain diseases.
acrotism: Absence or imperceptibility of the pulse.
acrotomous: Having a cleavage parallel with the base.
acrotrophic: 1. Ovariole having nutritive cells at the apex which are joined to oocytes by nutritive cords. 2. In zoology, Having the vitelligenous cells grouped at the apex; said of the meroistic ovariole of certain insects.
acrotrophodynia: Pain, sensory loss, and trophic changes affecting the distal extremities, usually the feet, that can follow prolonged exposure of the limbs to cold and moisture.
acrotrophoneurosis: Trophoneurotic disturbance of the extremities. Trophoneurotic is any trophic (nourishment) disorder caused by a defective function of the nerves concerned with nutrition of the part.
acrotropism, acrotropic: An orientation response resulting in the continued growth of a plant in the direction in which growth originally commenced.
pachyacria: Enlargement or the thickening of the skin of the soft tissue of the extremities.
polyacron: A solid having many vertices or solid angles; a polyhedron.
baragnosis, baragnosia, baroagnosis: 1. The inability to appreciate or estimate weight. 2. Loss of the sense of weight.
baranesthesia: Insensibility to weight or pressure on the body.
baresthesia, baryesthesia, baryesthesia: The sensibility to weight or pressure on the body.
baresthesiometer: An instrument for measuring the sense of pressure.
barhypesthesia: Impairment of deep pressure sensation.
bariatrician: A health practitioner specializing in bariatrics.
bariatrics, bariatric: That branch of medicine concerned with the management (prevention or control) of obesity and allied diseases.
baric: Relating to barometric pressure (as in isobar) or to weight generally.
baricity: The weight or density of a substance in comparison to a different substance at similar conditions of temperature and atmospheric pressure.
baroceptor: In physiology, a pressure-sensitive receptor organ of the nervous system, found, for example, in the walls of blood vessels.
baroclinity, baroclinicity, barocliny: In physics, a state of fluid stratification in which isobaric surfaces and isosteric surfaces are not parallel, but intersect.
barocyclonometer: An aneroid barometer with diagrams and directions for detecting the existence of a storm at a distance of several hundred miles.
barodontalgia: Toothache associated with the reduction in atmospheric pressure in high-altitude flying. Also: aerodontalgia.
barodynamics: In mechanics, the study of the mechanics of heavy structures that are liable to collapse under their own weight.
barognosis: 1. In neurology, the conscious perception of weight; the faculty for recognizing weight. 2. Ability to appreciate or estimate the weight of objects, or to differentiate objects of different weights.
barogram: A graphic representation of changes in atmospheric pressure, as measured by a barograph.
barograph, barometrograph: 1. A device that gives a continuous record of barometric pressure. 2. An instrument that continuously and automatically records changes in pressure on a rotating drum.
barokinesis, barokinetic: A change of linear or angular velocity (movement) in response to a change in pressure.
barologist: A specialist in the study of weight or gravity.
barology: The study of weight or gravity.
baromacrometer: In medicine, a device for measuring the weight and length of infants.
barometer: An instrument for measuring atmospheric pressure; used in determining height above sea level and predicting changes in the weather.
barometric: Describing information derived from the use of a barometer.
barometrography: The science that deals with the use of the barometer and making barometric observations.
barometry: The scientific study of the measurement of atmospheric pressure.
barophile: An organism that thrives under conditions of high hydrostatic or atmospheric pressure.
barophilic, barophilia, barophily: 1. In microbiology, relating to or describing a microorganism that grows optimally at high atmospheric pressure; said especially of certain deep-sea bacteria. 2. Thriving under conditions of high hydrostatic or atmospheric pressure.
barophobia: 1. An irrational fear of the force of gravity. 2. Fear of (the pull of) gravity or of falling; fear of being overweight.
baroreceptor: 1. In general, any sensor of pressure changes. 2. Sensory nerve ending in the wall of the auricles of the heart, vena cava, aortic arch, and carotid sinus, sensitive to stretching of the wall resulting from increased pressure from within, and functioning as the receptor of central reflex mechanisms that tend to reduce that pressure.
baroreflex: A reflex triggered by stimulation of a baroreceptor.
baroscope, baroscopic,: 1. An instrument that shows changes in the pressure of the atmosphere. 2. In physics, an apparatus for showing the loss of weight of objects in air, and that this loss is equal to the weight of the air displaced by them.
baroseismic: A reference to the pressure wave generated by an earthquake. The Richter scale is a logarithmic scale for measuring the magnitude of the baroseismic wave at a particular point in space, usually estimated at the surface above the seismic source.
barosinusitis: Inflammation of the mucous membrane of the paranasal sinuses caused by pressure difference within the sinus relative to ambient pressure, secondary to obstruction of the sinus ostium and occurring during a descent in altitude.
barostat: A device that regulates and maintains pressure at a constant value within a chamber.
baroswitch: A switch that is operated by changes in atmospheric pressure.
barotaxis, barotactic, barotaxy, barotropism: 1. Reaction of living tissue to changes in pressure. 2. In biology, the stimulation of living matter by change of the pressure relations under which it exists. 3. A directed reaction of a motile organism to a pressure stimulus.
barothermogram: A graphic representation of pressure and temperature readings, as made by a barothermograph.
barothermograph: An instrument for recording both pressure and temperature, as of the atmosphere.
barothermohygrogram: A graphic representation of pressure, temperature, and humidity readings, as made by a barothermohygrograph.
barothermohygrograph: An automatic instrument that simultaneously records the temperature, pressure, and humidity of the atmosphere.
barotolerant: Relating to or describing a microorganism that grows optimally at standard atmospheric pressure but is able to grow at higher pressures as well.
barotrauma: Injury resulting from changes in atmospheric pressure.
barotropism, barotropic: 1. In biology, an orientation response to a pressure stimulus. 2. In meteorology, relating to or characterized by an atmospheric condition in which surfaces of equal pressure coincide with surfaces of equal density. In physics, having a density that is a function solely of pressure.
barotrauma: A term once used to describe injury to the middle ear or paranasal sinuses, resulting from imbalance between ambient pressure and that within the affected cavity. Now mostly used to refer to lung injury that occurs when a patient is on a ventilator and is subjected to excessive airway pressure (pulmonary barotrauma).
barotropy: A state of a fluid in which the density is a single valued function of the pressure, in which isosteric surfaces coincide everywhere with isobaric surfaces.
barycenter, barycentric: The center of mass in any system of celestial objects moving under mutual gravity; used primarily with reference to the earth-moon system.
baryglossia: Indistinct speech due to a disorder of the tongue itself or of the nerves supplying it.
barylalia: Indistinct, slow speech from any cause. The most frequent cause is a lesion in the central nervous system, as in general paresis and senile dementia.
barymorphosis, barymorphic: Those structural changes in organisms that result from the effect of pressure or weight.
baryophobia: The unreasonable fear that one’s child will become obese. The allowed diet may be insufficient to support the child’s growth and development needs.
baryphony, baryphonia: 1. A Heavy, thick quality of the voice. 2. Difficulty of speech; thick, indistinct speech.
barysphere: The internal substance of the earth enclosed by the lithosphere.
barythymia: Nervousness, depression.
barytone (baritone): A male singing voice with a range lower than a tenor and higher than a bass, or a singer with this voice level; deep sounding.
centrobaric: A reference to a center of gravity.
eurybaric: 1. Applicable to animals adaptable to great differences in altitude. 2. Tolerant of a wide range of atmospheric or hydrostatic pressures.
hybaroxia: Oxygen therapy with pressures greater than one atmosphere or ambient oxygen pressure applied to the entire body in a chamber or room.
hypobaropathy: Sickness produced by reduced barometric pressure; not always distinguished from hypobarism and altitude sickness.
homobaric: Of uniform weight.
isobar: A line drawn on a weather map that connects places with equal atmospheric pressure. Isobars are often used collectively to indicate the movement or formation of weather systems.
isobaric: Having constant or equal atmospheric pressure; relating to isobars.
stenobaric: Tolerant of a narrow range of atmospheric or hydrostatic pressures.
telebarograph: A barograph that records at a distance by means of electricity.
telebarometer: A barometer that registers its indications from a distance.
telehydrobarometer: An instrument for recording the pressure of a head of water or other liquid.
thermobarograph: An instrument that simultaneously records temperature and atmospheric pressure.
demyth: Used as a synonym of demythologize.
demythify: To deprive of mythical character; to remove the aura of reverence, sentimentality, etc.
demythologize: To remove the mythical elements (from a legend, cult, etc.); specifically, in theology, to reinterpret the mythological elements in the Bible.
epimyth: The moral of the story. A reference to fables as a brief fictional narrative with a generalized moral lesson.
myth: 1. A purely fictitious narrative usually involving supernatural persons, actions, or events, and embodying some popular idea concerning natural or historical phenomena. 2. A fictitious or imaginary person or object.
mythical: 1. Of the nature of, consisting of, or based on a myth or myths; having no foundation in fact; fictitious. 2. Of persons or times belonging to a period of which the accounts handed down are of the nature of myths; existing only in myth. 3. Applied to theories or views which regard narratives of supernatural events as myths.
mythicism: The principle of attributing a mythical character to narratives of supernatural events.
mythoclast, mythoclastic: One who destroys or casts discredit upon myths.
mythogenesis: The creation or production of myths.
mythogenic: Myth-forming; of or pertaining to the creation of myths.
mythogony, mythogonic: The study of the origin of myths.
mythograph: A written presentation of a myth.
mythographer: A writer or narrator of myths.
mythographic: Of or pertaining to the representation of mythical subjects in art, literature, etc.
mythography: 1. The recording of myths in writing. 2. A critical collection of myths. 3. A written representation or expression of myths.
mythologem: A recurrent pattern, event, or theme in myths, as an explanation of the change of seasons; folklore motifs.
mythological: Of or belonging to mythology; based upon or of the nature of mythology or mythical narrative; having reference to a myth or myths.
mythologer: A narrator of myths and legends.
mythologist: 1. A writer of myths. 2. One who is versed in myths or mythology.
mythologize: 1. To relate a myth or myths; to construct a mythology. 2. To make mythical; to convert into myth or mythology; to mythicize.
mythology: 1. That department of knowledge that deals with myths. 2. A group of myths that belong to a particular people or culture and tell about their ancestors, heroes, gods, and other supernatural beings and history. 3. The study of myths, or the branch of knowledge that deals with myths.
mythomane: Someone who is prone to lie, exaggerate, or believe something is true when it is not.
mythomania: 1. Excessive interest in myths and propensity for incredible stories and fabrications. 2. Pathological lying; pseudologia phantastica.
mythomaniac: One who has an abnormal or pathological tendency to lie or to exaggerate.
mythophobia: A Pathological fear of stories or myths; disbelief in everything one is told.
mythopoeia: The creating of myths.
mythopoeic, mythopoetic: Relating to, involving, or engaged in the production of myths.
mythos: 1. The interrelated set of beliefs, attitudes, and values held by a society or cultural group. 2. The interrelationship of value structures and historical experiences of a people, usually given expression through the arts. 3. A myth or mythology.
mytho-theology: Theology based on myth.
polymythy, polymythic: A combination of a number of stories in one narrative or dramatic work.
theomythology: A mixture of theology and mythology.
acrogynous: Bearing female organs at the apex of the stem.
adynamogynous, adynamogyny: Having non-functioning female reproductive organs or a reference to the loss of function of female sex organs.
agynary: Without a gynoecium.
agynous: Said of a plant ovary that lacks a pistil, or of a stamen that does not contact the ovary.
androgynoid: A male resembling a female, or possessing female features.
androgynous, androgyny: 1. Uniting the (physical) characters of both sexes, at once male and female; hermaphrodite. 2. A reference to men who are considered “womnish, effeminate”. 3. In botany, bearing both stamens and pistils in the same flower, or on the same plant. 4. Having both masculine and feminine characteristics, as in attitudes and behaviors that contain features of stereotyped, culturally sanctioned sexual roles of both male and female.
anisogynous: In botany, having the carpels (female reproductive structures in flowering plants) not equal in number to the sepals (the outermost whorl of a typical flower, probably representing a leaf modified as part of the protective outer layer of a flower).
apogynous, apogyny: Pertaining to the loss of function in female reproduction organs. 2. Lacking, or having non-functional, female reproductive organs.
calligyniaphobia: An abnormal fear of beautiful women.
decagynous, decagynia: In botany, having ten pistils.
dichthadiigyne: A blind ant with a large gaster and ovaries.
digynous: In botany, having two pistils.
digyny, digynia: Fertilization of a diploid ovum by a sperm, which results in a triploid zygote [a fertilized gamete or a mature reproductive cell].
dodecagynia, dodecagynious, dodecagynous: In botany, having twelve pistils.
dyscalligynia: Antipathy for, or hatred of, beautiful women.
ecoproterogynous: Having the female flowers mature before the male flowers.
endecagynous: In botany, having eleven pistils.
enneagynous: In botany, having nine pistils.
epigynous, epigyny: In botany, that which is placed upon the ovary; growing upon the summit of the ovary. Said of the stamens or corolla; hence of plants in which these are so placed.
ergatogyne: A fertile female ant lacking wings and therefore resembling an ergate (a worker ant).
ergatogynomorphic, ergatogynomorph, ergatogynomorphous: A reference to social insects in which worker and female characters are blended.
ergatogynous: Having worker-like females, as in some social insects.
exogynous: Having the style projecting prominently out of the flower. The “style” is the sterile portion of a carpel between the ovary and the terminal stigma [the apex of a carpel in flowering plants upon which the pollen grain germinates].
gymnogynous: Having a naked ovary.
gynacme: Female orgasm.
gynaeceum, gyneceum: 1. Women’s apartments in a house or a palace. 2. A harem.
gynander, gynandria: 1. A woman with male characteristics. 2. A male hermaphrodite. 3. An individual of a bisexual species, exhibiting a “sexual mosaic” of male and female characters as a result of the development of both types of sex tissue in the same organism.
gynandrarchy: In zoology, a social organization among insects differing from gynarchy in that the male takes part in establishing the colony.
gynandria: In botany, the Linnaean system of plant classification that class distinguished by possessing stamens growing in the pistil and united with it.
gynandrism, gynandrous, gynandry: A developmental abnormality characterized by hypertrophy of the clitoris and union of the labia majora, simulating in appearance the penis and scrotum.
gynandroid: An individual exhibiting gynandrism. A person with enough sexual characteristics of the opposite sex to be mistaken for a member of the opposite sex. Usually in reference to a woman resembling a male.
gynandromorph, gynandromorphic: An individual of mixed sex; a sexual mosaic having some parts genotypically and phenotypically male and other female; gynander.
gynandromorphism: 1. An abnormal combination of male and female characteristics. 2. The presence of male and female sex chromosome complements in different tissues; sex chromosome mosaicism.
gynandromorphous: Having, or possessing, both male and female anatomic characteristics.
gynandrous: Pertaining to a hermaphrodite or a pseudohermaphrodite.
gynandry: The tendency for a female to posses certain masculine characteristics.
gynantherous: In botany, having stamens abnormally converted into pistils.
gynarchies: Governments run by a woman or women.
gynarchy, gynarchic: 1. Government by a woman or women. 2. In zoology, a form of social organization among insects; such as, ants, bees, and wasps, in which only the female parent takes part in establishing the colony.
gynatresia: Occlusion of some part of the female genital tract, especially occlusion of the vagina by a thick membrane.
gyne: Any female organism but, without qualification, it usually refers to a fertile female or queen in a colony of social insects.
gynecentric: Holding women as the center of thoughts or activities.
gynecic, genaecic: Pertaining to the female sex or associated with women.
gynecium: The female part of a flower; also called the pistil.
gynecocracy: 1. Government by a woman; a state in which women are legally capable of the supreme command; e.g. in Great Britain (Queen). 2. Government by a woman, or women; sometimes in a depreciative sense; “petticoat rule”.
gynecogen: Any agent, such as female sex hormones, that induces the development of or stimulates female somatic or behavioral characteristics.
gynecogenic: 1. Stimulating the development of female characteristics. 2. Giving birth predominantly to females. 3. Obsolete term meaning productive of female characteristics.
gynecography, gynography: Radiography of the female genital organs using air or other gas injected intraperitoneally as a contrast medium.
gynecoid, gynecoidism: 1. Resembling a woman in form and structure. 2. In biology, a worker ant that lays eggs. 3. In zoology, a reference to or designating an individual that functions as a fully developed female; although structurally incomplete, as an egg-laying worker ant.
gynecolater: One who worships women.
gynecolatry: The worship of a woman or women.
gynecologic, gynecological: Relating to gynecology.
gynecologist, gynaecologist: A physician specializing in the diseases of women, especially those of the female reproductive system.
gynecology, gynecologic, gynaecology, gynaecologic: 1. The study and treatment of diseases and disorders of the human female reproductive system. 2. The medical specialty concerned with diseases and the hygiene of the female genital tract, as well as endocrinology and reproductive physiology of the female. 3. The branch of medicine that devotes itself to the care and prevention of genital tract disorders in women and which for the most part is not concerned with pregnancy. It is also associated with public-health functions, and includes family planning, preconception counseling, genetic counseling, and sexual therapy.
gynecomania, gynaecomania: A morbid or excessive desire for women; satyriasis.
gynecomastia, gynecomasty, gynecomazia: 1. Enlargement of the male breast, in a minority of cases accompanied by galactorrhea. In a few cases, breast development is so marked as to require corrective mastectomy. 2. Excessive development of the male mammary glands, due mainly to ductal proliferation with periductal edema; frequently secondary to increased estrogen levels, but mild gynecomastia may occur in normal adolescence. 3. Also called mammary feminism (older term), gynecomasty (seldom used), gynecomastism (rarely used), gynecomazia (rarely used).
gyneconitis, gynaeconitis: In Eastern Christianity, the part of the church reserved for women, formerly the galleries, now chiefly the narthex.
gynecopathy, gynecopathic; gynopathy, gynopathic: Any disease of, or peculiar to, women.
gynecophobia, gynephobia: A morbid fear of women or of the society of women.
gynecophonus: Pertaining to a male with a feminine voice.
gynecotelic: 1. Characterizing social insects that become functional females (queens) if given special care and feeding during their larval development, otherwise becoming infertile, neuter adults (workers). 2. In zoology, possessing the complete series of female instincts; worker ants.
gynecotokology: The measurement of uterine contractions, usually during labor. An older term.
gynecratic: A government run by a woman or women.
gynecrinic: Occurring more often in women.
gynelimia: A hunger for, or a strong desire for, women or female companionship as after a protracted deprivation or separation; such as, returning soldiers, sailors, male-prison inmates, etc.
gynemimism: 1. Adoption of feminine manners by a man. 2. The full-time miming of a female by a male. It appears to be much more widespread than its counterpart in the female, andromimesis, and it has been reported in many different cul
sesqui- (Latin: one and a half; normally used as a prefix; from Latin, semis “half” + que “and”).
In chemistry, three atoms or equivalents of the [specified] element or radical are combined with two of another, as in iron sesquioxide, Fe 2O3. Also defined as the proportion of two (of one radical or element) to three (of another).
hippopotomonstrosesquipedalian: A reference to a very, very long word.
sesquialteral: Once and a half times as great as another; having the ratio of one and a half to one.
sesquicentennial, sesquicentenary: A period of 150 years or occurring every 150 years; relating to or happening after a period of 150 years.
sesquiduplicate: Having the ratio of two and a half to one, or of five to two.
sesquihora: In medicine, every one and a half hours.
sesquinona, sesquinonal: In music, a vibration interval of the ratio 10:9; a lesser major second.
sesquioctava, sesquioctaval: In the ration of nine to eight, or 1 1/8 to 1.
sesquipedal: A thing a foot and a half in length.
sesquipedalia: A reference to a foot and half in length or to very long words.
sesquipedalian: 1. Of words and expressions (after Horace’s sesquipedalia verba) “words a foot and a half long” or of many syllables. 2. A word with many letters or syllables. 3. A description of a person who is overly given to using long words; especially when verbal construction utilizing less amplification might represent a more naturally efficacious phraseology.
sesquipedalianism, sesquipedalism: Characterized by the use of long words; lengthiness.
You may see several examples of sesquipedalian sentences with solutions by going to sesquipedalia verba.
sesquipedalianist: A person who uses long words.
sesquipedality: The practice of using long words.
sesquipedalophobia: A hatred or fear of big words.
sesquiplane: A fixed-wing aircraft (biplane) with one pair of wings much longer than the other pair.
sesquiplicate: Having the ratio of the square roots of the cubes of the terms of a given ratio; noting the ratio of a cube to a square.
sesquiquadrate: Aspect of two heavenly bodies when separated by one and a half quadrants (135 degrees).
sesquiquarta: In music, a major third.
sesquiquinta, sesquiquintal: In music, a minor third.
sesquiquintile: In astrology, having a zodiacal distance of about 108 degrees.
sesquiseptimal: Of the ratio of 8 to 7, or 1 1/7 to 1.
sesquisextal: Of the ratio of 7 to 6, or 1 1/6 to 1.
sesquitertia, sesquitertial: In music, a perfect fourth.
sesquitertian: Of the ratio of 4 to 3.
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KAPLAN-TOEFL KİTABI FULL (295)
Vocabulary 
