abiotrophy | (noun) a loss of vitality and a degeneration of cells and tissues not due to any apparent injury | - |
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ablepharia | (noun) a congenital absence of eyelids (partial or complete) | - |
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acanthocephalan | (noun) any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines | Synonyms: spiny-headed worm |
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acarophobia | (noun) a morbid fear of small insects and mites and worms | - |
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acataphasia | (noun) a disorder in which a lesion to the central nervous system leaves you unable to formulate a statement or to express yourself in an organized manner | - |
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acephalia | (noun) absence of the head (as in the development of some monsters) | Synonyms: acephalism, acephaly |
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acephalism | (noun) absence of the head (as in the development of some monsters) | Synonyms: acephalia, acephaly |
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acephaly | (noun) absence of the head (as in the development of some monsters) | Synonyms: acephalia, acephalism |
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acetaminophen | (noun) an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets) | Synonyms: Anacin III, Datril, Panadol, Phenaphen, Tempra, Tylenol |
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acetophenetidin | (noun) a white crystalline compound used as an analgesic and also as an antipyretic | Synonyms: acetphenetidin, phenacetin |
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acetphenetidin | (noun) a white crystalline compound used as an analgesic and also as an antipyretic | Synonyms: acetophenetidin, phenacetin |
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acidophil | (noun) an organism that thrives in a relatively acid environment | Synonyms: acidophile |
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acidophile | (noun) an organism that thrives in a relatively acid environment | Synonyms: acidophil |
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acidophilus | (noun) a bacterium that is used to make yogurt and to supplement probiotics | Synonyms: Lactobacillus acidophilus |
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acousticophobia | (noun) a morbid fear of sounds including your own voice | Synonyms: phonophobia |
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acrocephaly | (noun) a congenital abnormality of the skull; the top of the skull assumes a cone shape | Synonyms: oxycephaly |
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acromphalus | (noun) abnormal protrusion of the navel; sometimes the start of umbilical hernia | - |
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acrophobia | (noun) a morbid fear of great heights | - |
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acrophony | (noun) naming a letter of the alphabet by using a word whose initial sound is the sound represented by that letter | - |
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adenohypophysis | (noun) the anterior lobe of the pituitary body; primarily glandular in nature | Synonyms: anterior pituitary, anterior pituitary gland |
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adiaphoron | (noun) (Stoic philosophy) a matter having no moral merit or demerit. | - |
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(noun) a religious ceremonial or ritual observance that is held to be an affair of the individual conscience because it is neither forbidden nor enjoined by the scriptures. | - |
adoxography | (noun) fine writing in praise of trivial or base subjects | - |
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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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aerophagia | (noun) swallowing air (usually followed by belching and discomfort and flatulence) | - |
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aerophilately | (noun) the collection and study of airmail stamps | - |
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aerophile | (noun) a lover of aviation | - |
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aerophyte | (noun) plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it | Synonyms: air plant, epiphyte, epiphytic plant |
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agoraphobia | (noun) a morbid fear of open spaces (as fear of being caught alone in some public place) | - |
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agrapha | (noun) sayings of Jesus not recorded in the canonical Gospels | - |
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agraphia | (noun) a loss of the ability to write or to express thoughts in writing because of a brain lesion | Synonyms: anorthography, logagraphia |
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agraphon | (noun) (usually plural) a saying of Jesus not in the canonical gospels but found in other New Testament or early Christian writings. | - |
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ailurophobia | (noun) a morbid fear of cats | - |
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aleph | (noun) the 1st letter of the Hebrew alphabet | - |
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algophilia | (noun) sexual pleasure derived from inflicting or experiencing pain | Synonyms: algolagnia |
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algophobia | (noun) a morbid fear of pain | - |
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allelomorph | (noun) (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character | Synonyms: allele |
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allograph | (noun) a variant form of a grapheme, as `m' or `M' or a handwritten version of that grapheme | - |
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(noun) a signature written by one person for another | - |
allomorph | (noun) a variant phonological representation of a morpheme | - |
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(noun) any of several different crystalline forms of the same chemical compound | - |
allophone | (noun) (linguistics) any of various acoustically different forms of the same phoneme | - |
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alpha | (noun) the 1st letter of the Greek alphabet | - |
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(noun) the beginning of a series or sequence | - |
alphabet | (noun) the elementary stages of any subject (usually plural) | Synonyms: first principles, rudiments |
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(noun) a character set that includes letters and is used to write a language | Synonyms: ABC's, ABC, ABCs |
alphabetisation | (noun) the act of putting in alphabetical order | Synonyms: alphabetization |
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alphabetiser | (noun) a literate person who can arrange items in alphabetical order | Synonyms: alphabetizer |
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alphabetization | (noun) the act of putting in alphabetical order | Synonyms: alphabetisation |
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alphabetizer | (noun) a literate person who can arrange items in alphabetical order | Synonyms: alphabetiser |
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alphanumerics | (noun) a character set that includes letters and digits and punctuation | Synonyms: alphanumeric characters |
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alphavirus | (noun) an arbovirus of the family Togaviridae that can cause a variety of encephalitis in horses | - |
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aminopherase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminotransferase, transaminase |
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aminophylline | (noun) a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis | - |
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amorpha | (noun) any plant of the genus Amorpha having odd-pinnate leaves and purplish spicate flowers | - |
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amorphophallus | (noun) any plant of the genus Amorphophallus | - |
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amphetamine | (noun) a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | Synonyms: pep pill, speed, upper |
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amphibia | (noun) the class of vertebrates that live on land but breed in water, frogs, toads, newts, salamanders, caecilians | Synonyms: class Amphibia |
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amphibian | (noun) cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form | - |
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(noun) an airplane designed to take off and land on water | Synonyms: amphibious aircraft |
(noun) a flat-bottomed motor vehicle that can travel on land or water | Synonyms: amphibious vehicle |
amphibole | (noun) a mineral or mineral variety belonging to the amphibole group | - |
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amphibolite | (noun) a metamorphic rock composed chiefly of amphibole and plagioclase | - |
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amphibology | (noun) an ambiguous grammatical construction; e.g., `they are flying planes' can mean either that someone is flying planes or that something is flying planes | Synonyms: amphiboly |
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amphiboly | (noun) an ambiguous grammatical construction; e.g., `they are flying planes' can mean either that someone is flying planes or that something is flying planes | Synonyms: amphibology |
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amphibrach | (noun) a metrical unit with unstressed-stressed-unstressed syllables (e.g., `remember') | - |
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amphictyony | (noun) an association of neighboring states or tribes in ancient Greece; established originally to defend a common religious center | - |
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amphidiploid | (noun) (genetics) an organism or cell having a diploid set of chromosomes from each parent | - |
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amphidiploidy | (noun) the condition of being amphidiploid | - |
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amphigory | (noun) nonsensical writing (usually verse) | Synonyms: nonsense verse |
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amphimixis | (noun) union of sperm and egg in sexual reproduction | - |
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(noun) reproduction involving the union or fusion of a male and a female gamete | Synonyms: sexual reproduction |
amphioxus | (noun) small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates | Synonyms: lancelet |
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amphipod | (noun) a kind of malacostracan crustacean | - |
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amphisbaena | (noun) (classical mythology) a serpent with a head at each end of its body | - |
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amphitheater | (noun) an oval large stadium with tiers of seats; an arena in which contests and spectacles are held | Synonyms: amphitheatre, coliseum |
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(noun) a sloping gallery with seats for spectators (as in an operating room or theater) | Synonyms: amphitheatre |
amphitheatre | (noun) an oval large stadium with tiers of seats; an arena in which contests and spectacles are held | Synonyms: amphitheater, coliseum |
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(noun) a sloping gallery with seats for spectators (as in an operating room or theater) | Synonyms: amphitheater |
amphiuma | (noun) aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States | Synonyms: blind eel, congo eel, congo snake |
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ampholyte | (noun) A substance that acts as a base or an acid, depending on the pH of the solution into which it is introduced. | Synonyms: amphoteric electrolyte |
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amphora | (noun) an ancient jar with two handles and a narrow neck; used to hold oil or wine | - |
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amphotericin | (noun) an antibiotic and antifungal agent | - |
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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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anaglyph | (noun) anything carved in low relief | - |
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(noun) moving or still pictures in contrasting colors that appear three-dimensional when superimposed | - |
anaglyphy | (noun) the process of producing pictures in contrasting colors that appear three-dimensional when superimposed and viewed through spectacles with one red and one green lens | - |
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analphabet | (noun) an illiterate person who does not know the alphabet | Synonyms: analphabetic |
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analphabetic | (noun) an illiterate person who does not know the alphabet | Synonyms: analphabet |
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analphabetism | (noun) an inability to read | Synonyms: illiteracy |
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anamorphism | (noun) a distorted projection or perspective; especially an image distorted in such a way that it becomes visible only when viewed in a special manner | Synonyms: anamorphosis |
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(noun) metamorphism that occurs deep under the earth's surface; changes simple minerals into complex minerals | - |
(noun) the evolution of one type of organism from another by a long series of gradual changes | Synonyms: anamorphosis |
anamorphosis | (noun) a distorted projection or perspective; especially an image distorted in such a way that it becomes visible only when viewed in a special manner | Synonyms: anamorphism |
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(noun) the evolution of one type of organism from another by a long series of gradual changes | Synonyms: anamorphism |
anaphase | (noun) the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle | - |
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anaphor | (noun) a word (such as a pronoun) used to avoid repetition; the referent of an anaphor is determined by its antecedent | - |
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anaphora | (noun) using a pronoun or similar word instead of repeating a word used earlier | - |
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(noun) repetition of a word or phrase at the beginning of successive clauses | Synonyms: epanaphora |
anaphrodisia | (noun) decline or absence of sexual desire | - |
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anaphylaxis | (noun) hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance | - |
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anastrophe | (noun) the reversal of the normal order of words | Synonyms: inversion |
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androphobia | (noun) a morbid fear of men | - |
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anemograph | (noun) An instrument which records wind velocities. | - |
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anemography | (noun) recording anemometrical measurements | - |
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anencephalia | (noun) a defect in brain development resulting in small or missing brain hemispheres | Synonyms: anencephaly |
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anencephaly | (noun) a defect in brain development resulting in small or missing brain hemispheres | Synonyms: anencephalia |
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angiography | (noun) roentgenographic examination of blood vessels after injection of a radiopaque contrast medium; produces an angiogram | - |
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angiohemophilia | (noun) a form of hemophilia discovered by Erik von Willebrand; a genetic disorder that is inherited as an autosomal recessive trait; characterized by a deficiency of the coagulation factor and by mucosal bleeding | Synonyms: vascular hemophilia, von Willebrand's disease |
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anglophil | (noun) an admirer of England and things English | Synonyms: anglophile |
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anglophile | (noun) an admirer of England and things English | Synonyms: anglophil |
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anglophobe | (noun) a person who hates England and everything English | - |
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anopheline | (noun) any mosquito of the genus Anopheles | - |
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anorthography | (noun) a loss of the ability to write or to express thoughts in writing because of a brain lesion | Synonyms: agraphia, logagraphia |
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