| abiotrophy | (noun) a loss of vitality and a degeneration of cells and tissues not due to any apparent injury | - |
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| adrenocorticotrophin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotropic hormone, adrenocorticotropin, corticotrophin, corticotropin |
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| adrenocorticotropin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropic hormone, corticotrophin, corticotropin |
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| allotrope | (noun) a structurally different form of an element | - |
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| allotropism | (noun) the phenomenon of an element existing in two or more physical forms | Synonyms: allotropy |
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| allotropy | (noun) the phenomenon of an element existing in two or more physical forms | Synonyms: allotropism |
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| ametropia | (noun) (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia | - |
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| amyotrophia | (noun) progressive wasting of muscle tissues | Synonyms: amyotrophy |
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| amyotrophy | (noun) progressive wasting of muscle tissues | Synonyms: amyotrophia |
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| anastrophe | (noun) the reversal of the normal order of words | Synonyms: inversion |
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| anisometropia | (noun) difference in the refractive power of the two eyes | - |
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| anisotropy | (noun) the property of being anisotropic; having a different value when measured in different directions | - |
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| antistrophe | (noun) the section of a choral ode answering a previous strophe in classical Greek drama; the second of two metrically corresponding sections in a poem | - |
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| apostrophe | (noun) address to an absent or imaginary person | - |
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| (noun) the mark (') used to indicate the omission of one or more letters from a printed word | - |
| astrophysicist | (noun) an astronomer who studies the physical properties of celestial bodies | - |
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| astrophysics | (noun) the branch of astronomy concerned with the physical and chemical properties of celestial bodies | - |
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| atrophedema | (noun) recurrent large circumscribed areas of subcutaneous edema; onset is sudden and it disappears within 24 hours; seen mainly in young women, often as an allergic reaction to food or drugs | Synonyms: angioedema, giant hives, periodic edema, Quincke's edema |
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| atrophy | (noun) any weakening or degeneration (especially through lack of use) | Synonyms: withering |
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| (noun) a decrease in size of an organ caused by disease or disuse | Synonyms: wasting, wasting away |
| atropine | (noun) a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides | - |
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| autotroph | (noun) plant capable of synthesizing its own food from simple organic substances | Synonyms: autophyte, autophytic plant, autotrophic organism |
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| boustrophedon | (noun) an ancient writing system: having alternate lines written in opposite directions; literally `as the ox ploughs' | - |
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| caltrop | (noun) tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed | Synonyms: devil's weed, Tribulus terestris |
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| (noun) Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America | Synonyms: Centauria calcitrapa, star-thistle |
| (noun) a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits | Synonyms: water chestnut, water chestnut plant |
| catastrophe | (noun) an event resulting in great loss and misfortune | Synonyms: calamity, cataclysm, disaster, tragedy |
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| (noun) a sudden violent change in the earth's surface | Synonyms: cataclysm |
| (noun) a state of extreme (usually irremediable) ruin and misfortune | Synonyms: disaster |
| chemoautotroph | (noun) An organism that depends on chemicals for its energy and principally on carbon dioxide for its carbon. | Synonyms: chemotrophic autotroph |
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| chondrodystrophy | (noun) an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism | Synonyms: achondroplasia, achondroplasty, osteosclerosis congenita |
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| claustrophobe | (noun) a person suffering from claustrophobia | - |
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| claustrophobia | (noun) a morbid fear of being closed in a confined space | - |
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| corticotrophin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropic hormone, adrenocorticotropin, corticotropin |
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| corticotropin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropic hormone, adrenocorticotropin, corticotrophin |
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| diastrophism | (noun) the process of deformation that produces continents and ocean basins in the earth's crust | - |
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| dystrophy | (noun) any degenerative disorder resulting from inadequate or faulty nutrition | - |
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| (noun) any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles | Synonyms: muscular dystrophy |
| electrophoresis | (noun) the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode | Synonyms: cataphoresis, dielectrolysis, ionophoresis |
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| electrophorus | (noun) a simple electrostatic generator that generates repeated charges of static electricity | - |
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| electroplate | (noun) any artifact that has been plated with a thin coat of metal by electrolysis | - |
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| electroplater | (noun) a plater who uses electrolysis | - |
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| emmetropia | (noun) (ophthalmology) the normal refractive condition of the eye in which there is clear focus of light on the retina | - |
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| entropy | (noun) (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work | Synonyms: randomness, S |
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| (noun) (communication theory) a numerical measure of the uncertainty of an outcome | Synonyms: information, selective information |
| epistrophe | (noun) repetition of the ends of two or more successive sentences, verses, etc. | Synonyms: epiphora |
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| ergotropism | (noun) an affinity for work | - |
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| esotropia | (noun) strabismus in which one or both eyes turn inward toward the nose | Synonyms: convergent strabismus, cross-eye, crossed eye |
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| eutrophication | (noun) excessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant life; the decomposition of the plants depletes the supply of oxygen, leading to the death of animal life | - |
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| exotropia | (noun) strabismus in which one or both eyes are directed outward | Synonyms: divergent strabismus, walleye |
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| extropy | (noun) the prediction that human intelligence and technology will enable life to expand in an orderly way throughout the entire universe | - |
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| gastropod | (noun) a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes | Synonyms: univalve |
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| geotropism | (noun) an orienting response to gravity | - |
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| gonadotrophin | (noun) hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity | Synonyms: gonadotrophic hormone, gonadotropic hormone, gonadotropin |
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| gonadotropin | (noun) hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity | Synonyms: gonadotrophic hormone, gonadotrophin, gonadotropic hormone |
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| heliotrope | (noun) green chalcedony with red spots that resemble blood | Synonyms: bloodstone |
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| heliotropism | (noun) an orienting response to the sun | - |
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| heterotroph | (noun) an organism that depends on complex organic substances for nutrition | - |
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| hypermetropia | (noun) abnormal condition in which vision for distant objects is better than for near objects | Synonyms: farsightedness, hypermetropy, hyperopia, longsightedness |
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| hypermetropy | (noun) abnormal condition in which vision for distant objects is better than for near objects | Synonyms: farsightedness, hypermetropia, hyperopia, longsightedness |
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| hypertrophy | (noun) abnormal enlargement of a body part or organ | - |
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| immunoelectrophoresis | (noun) electrophoresis to separate antigens and antibodies | - |
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| isometropia | (noun) equality of refractive power in the two eyes | - |
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| isotropy | (noun) (physics) the property of being isotropic; having the same value when measured in different directions | Synonyms: symmetry |
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| lipochondrodystrophy | (noun) hereditary disease (autosomal recessive) consisting of an error is mucopolysaccharide metabolism; characterized by severe abnormalities in development of skeletal cartilage and bone and mental retardation | Synonyms: dysostosis multiplex, gargoylism, Hurler's disease, Hurler's syndrome |
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| luteotropin | (noun) gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition | Synonyms: lactogenic hormone, prolactin |
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| meteortropism | (noun) an effect of climate on biological processes (as the effect on joint pains etc.) | - |
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| metropolis | (noun) people living in a large densely populated municipality | Synonyms: city |
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| (noun) a large and densely populated urban area; may include several independent administrative districts | Synonyms: city, urban center |
| metropolitan | (noun) a person who lives in a metropolis | - |
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| (noun) in the Eastern Orthodox Church this title is given to a position between bishop and patriarch; equivalent to archbishop in western Christianity | - |
| metroptosis | (noun) prolapse of the uterus | Synonyms: descensus uteri |
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| neurotropism | (noun) an affinity for neural tissues | - |
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| neutropenia | (noun) leukopenia in which the decrease is primarily in number of neutrophils (the chief phagocytic leukocyte) | - |
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| neutrophil | (noun) the chief phagocytic leukocyte; stains with either basic or acid dyes | Synonyms: neutrophile |
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| neutrophile | (noun) the chief phagocytic leukocyte; stains with either basic or acid dyes | Synonyms: neutrophil |
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| osteodystrophy | (noun) defective bone development; usually attributable to renal disease or to disturbances in calcium and phosphorus metabolism | - |
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| phototropism | (noun) an orienting response to light | - |
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| semitropics | (noun) regions adjacent to the tropics | Synonyms: subtropics |
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| somatotrophin | (noun) a hormone produced by the anterior pituitary gland; promotes growth in humans | Synonyms: growth hormone, human growth hormone, somatotrophic hormone, somatotropic hormone, somatotropin, STH |
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| somatotropin | (noun) a hormone produced by the anterior pituitary gland; promotes growth in humans | Synonyms: growth hormone, human growth hormone, somatotrophic hormone, somatotrophin, somatotropic hormone, STH |
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| spectrophotometer | (noun) a photometer for comparing two light radiations wavelength by wavelength | - |
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| strop | (noun) a leather strap used to sharpen razors | - |
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| strophanthin | (noun) a bitter and very toxic glycoside derived from plants of the genus Strophanthus; in moderate doses it is a cardiac stimulant but in larger doses it is a powerful poison; used in Africa as an arrow poison | - |
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| strophanthus | (noun) any of various shrubs or small trees of the genus Strophanthus having whorled leaves and showy flowers of various colors in dense and corymbose clusters; some have poisonous seeds | - |
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| strophe | (noun) one section of a lyric poem or choral ode in classical Greek drama | - |
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| subtropics | (noun) regions adjacent to the tropics | Synonyms: semitropics |
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| thermotropism | (noun) an orienting response to warmth | - |
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| thyrotrophin | (noun) anterior pituitary hormone that stimulates the function of the thyroid gland | Synonyms: thyroid-stimulating hormone, thyrotrophic hormone, thyrotropic hormone, thyrotropin, TSH |
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| thyrotropin | (noun) anterior pituitary hormone that stimulates the function of the thyroid gland | Synonyms: thyroid-stimulating hormone, thyrotrophic hormone, thyrotrophin, thyrotropic hormone, TSH |
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| tightrope | (noun) tightly stretched rope or wire on which acrobats perform high above the ground | - |
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| trope | (noun) language used in a figurative or nonliteral sense | Synonyms: figure, figure of speech, image |
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| trophobiosis | (noun) a symbiotic relation in which one organism protects the other in return for some kind of food product | - |
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| trophoblast | (noun) the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall | - |
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| trophotropism | (noun) an orienting response to food | - |
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| trophozoite | (noun) a sporozoan in the active feeding stage of its life cycle | - |
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| trophy | (noun) something given as a token of victory | Synonyms: prize |
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| (noun) an award for success in war or hunting | - |
| tropic | (noun) either of two parallels of latitude about 23.5 degrees to the north and south of the equator representing the points farthest north and south at which the sun can shine directly overhead and constituting the boundaries of the Torrid Zone or tropics | - |
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| tropicbird | (noun) mostly white web-footed tropical seabird often found far from land | Synonyms: boatswain bird, tropic bird |
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| tropics | (noun) the part of the Earth's surface between the Tropic of Cancer and the Tropic of Capricorn; characterized by a hot climate | Synonyms: Torrid Zone, tropical zone |
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| tropism | (noun) an involuntary orienting response; positive or negative reaction to a stimulus source | - |
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| troponomy | (noun) the place names of a region or a language considered collectively | Synonyms: troponymy |
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| troponym | (noun) a word that denotes a manner of doing something | Synonyms: manner name |
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| troponymy | (noun) the place names of a region or a language considered collectively | Synonyms: troponomy |
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| (noun) the semantic relation of being a manner of does something | - |
| tropopause | (noun) the region of discontinuity between the troposphere and the stratosphere | - |
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| troposphere | (noun) the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude) | - |
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| ulatrophia | (noun) recession of the gums | - |
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