| counterdemonstration | (noun) a demonstration held in opposition to another demonstration | - |
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| counterdemonstrator | (noun) someone who demonstrates in opposition to another demonstration | - |
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| deconstruction | (noun) a philosophical theory of criticism (usually of literature or film) that seeks to expose deep-seated contradictions in a work by delving below its surface meaning | Synonyms: deconstructionism |
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| deconstructionism | (noun) a philosophical theory of criticism (usually of literature or film) that seeks to expose deep-seated contradictions in a work by delving below its surface meaning | Synonyms: deconstruction |
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| deconstructivism | (noun) a school of architecture based on the philosophical theory of deconstruction | - |
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| defenestration | (noun) the act of throwing someone or something out of a window | - |
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| demonstrability | (noun) capability of being demonstrated or logically proved | Synonyms: provability |
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| demonstration | (noun) a show or display; the act of presenting something to sight or view | Synonyms: presentation, presentment |
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| (noun) a public display of group feelings (usually of a political nature) | Synonyms: manifestation |
| (noun) a show of military force or preparedness | - |
| (noun) a visual presentation showing how something works | Synonyms: demo |
| (noun) proof by a process of argument or a series of proposition proving an asserted conclusion | Synonyms: monstrance |
| demonstrative | (noun) a pronoun that points out an intended referent | Synonyms: demonstrative pronoun |
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| demonstrativeness | (noun) tending to express your feelings freely | - |
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| demonstrator | (noun) someone who participates in a public display of group feeling | Synonyms: protester |
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| (noun) someone who demonstrates an article to a prospective buyer | Synonyms: sales demonstrator |
| (noun) a teacher or teacher's assistant who demonstrates the principles that are being taught | - |
| dentistry | (noun) the branch of medicine dealing with the anatomy and development and diseases of the teeth | Synonyms: dental medicine, odontology |
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| destroyer | (noun) a small fast lightly armored but heavily armed warship | Synonyms: guided missile destroyer |
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| (noun) a person who destroys or ruins or lays waste to | Synonyms: ruiner, undoer, uprooter, waster |
| destructibility | (noun) vulnerability to destruction | - |
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| destruction | (noun) the termination of something by causing so much damage to it that it cannot be repaired or no longer exists | Synonyms: devastation |
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| (noun) an event that completely destroys something | Synonyms: demolition, wipeout |
| (noun) a final state | Synonyms: death, end |
| destructiveness | (noun) the quality of causing destruction | - |
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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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| diestrum | (noun) (of animals having several estrous cycles in one breeding season) a state or interval of sexual inactivity or quiescence between periods of activity | Synonyms: diestrus |
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| diestrus | (noun) (of animals having several estrous cycles in one breeding season) a state or interval of sexual inactivity or quiescence between periods of activity | Synonyms: diestrum |
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| diethylstilbestrol | (noun) a potent estrogen used in medicine and in feed for livestock and poultry | Synonyms: DES, diethylstilboestrol, stilbestrol, stilboestrol |
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| diethylstilboestrol | (noun) a potent estrogen used in medicine and in feed for livestock and poultry | Synonyms: DES, diethylstilbestrol, stilbestrol, stilboestrol |
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| dihydrostreptomycin | (noun) antibiotic consisting of a hydrogenated form of streptomycin; used against tuberculosis and tularemia and Gram-negative organisms | - |
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| distraction | (noun) an entertainment that provokes pleased interest and distracts you from worries and vexations | Synonyms: beguilement |
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| (noun) the act of distracting; drawing someone's attention away from something | Synonyms: misdirection |
| (noun) mental turmoil | - |
| (noun) an obstacle to attention | - |
| distraint | (noun) the seizure and holding of property as security for payment of a debt or satisfaction of a claim | Synonyms: distress |
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| distress | (noun) the seizure and holding of property as security for payment of a debt or satisfaction of a claim | Synonyms: distraint |
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| (noun) psychological suffering | Synonyms: hurt, suffering |
| (noun) extreme physical pain | - |
| (noun) a state of adversity (danger or affliction or need) | - |
| distressfulness | (noun) the quality of arousing fear or distress | Synonyms: seriousness |
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| distressingness | (noun) the quality of being painful | Synonyms: painfulness |
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| distributary | (noun) a branch of a river that flows away from the main stream and does not rejoin it | - |
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| distributer | (noun) electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence | Synonyms: distributor, electrical distributor |
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| (noun) someone who markets merchandise | Synonyms: distributor |
| distribution | (noun) the act of distributing or spreading or apportioning | - |
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| (noun) the commercial activity of transporting and selling goods from a producer to a consumer | - |
| (noun) the spatial or geographic property of being scattered about over a range, area, or volume | Synonyms: dispersion |
| (noun) (statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence | Synonyms: statistical distribution |
| distributor | (noun) electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence | Synonyms: distributer, electrical distributor |
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| (noun) a company that markets merchandise | - |
| (noun) someone who markets merchandise | Synonyms: distributer |
| (noun) a person with authority to allot or deal out or apportion | Synonyms: allocator |
| district | (noun) a region marked off for administrative or other purposes | Synonyms: dominion, territorial dominion, territory |
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| distrust | (noun) the trait of not trusting others | Synonyms: distrustfulness, mistrust |
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| (noun) doubt about someone's honesty | Synonyms: misgiving, mistrust, suspicion |
| distrustfulness | (noun) the trait of not trusting others | Synonyms: distrust, mistrust |
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| downstroke | (noun) a stroke normally made in a downward direction | - |
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| drawstring | (noun) a tie consisting of a cord that goes through a seam around an opening | Synonyms: drawing string, string |
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| dustrag | (noun) a piece of cloth used for dusting | Synonyms: dustcloth, duster |
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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 |
| electrochemistry | (noun) branch of chemistry that deals with the chemical action of electricity and the production of electricity by chemical reactions | - |
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| epigastrium | (noun) the region lying on or over the stomach (just below the sternum) | - |
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| epistrophe | (noun) repetition of the ends of two or more successive sentences, verses, etc. | Synonyms: epiphora |
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| equestrian | (noun) a person skilled in equitation | Synonyms: horseback rider |
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| equidistribution | (noun) a flat distribution having equal frequencies of occurrence | - |
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| estradiol | (noun) the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer | Synonyms: oestradiol |
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| estragon | (noun) fresh leaves (or leaves preserved in vinegar) used as seasoning | Synonyms: tarragon |
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| (noun) aromatic perennial of southeastern Russia | Synonyms: Artemisia dracunculus, tarragon |
| estrangement | (noun) the feeling of being alienated from other people | Synonyms: alienation, disaffection |
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| (noun) separation resulting from hostility | Synonyms: alienation |
| estriol | (noun) a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency | Synonyms: oestriol |
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| estrogen | (noun) a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics | Synonyms: oestrogen |
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| estrone | (noun) a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency | Synonyms: Estronol, oestrone, theelin |
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| estrus | (noun) applies to nonhuman mammals: a state or period of heightened sexual arousal and activity | Synonyms: heat, oestrus, rut |
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| extraterrestrial | (noun) a form of life assumed to exist outside the Earth or its atmosphere | Synonyms: alien, extraterrestrial being |
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| eyestrain | (noun) a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem | Synonyms: asthenopia |
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| femtochemistry | (noun) the branch of chemistry that studies elementary (often very fast) chemical reactions as they occur; the experimental methods are often based on the use of femtosecond laser pulses | - |
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| fenestra | (noun) a small opening covered with membrane (especially one in the bone between the middle and inner ear) | - |
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| fenestration | (noun) surgical procedure that creates a new fenestra to the cochlea in order to restore hearing lost because of osteosclerosis | - |
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| (noun) the arrangement of windows in a building | - |
| forestry | (noun) the science of planting and caring for forests and the management of growing timber | - |
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| frustration | (noun) an act of hindering someone's plans or efforts | Synonyms: foiling, thwarting |
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| (noun) the feeling that accompanies an experience of being thwarted in attaining your goals | Synonyms: defeat |
| (noun) a feeling of annoyance at being hindered or criticized | - |
| gastralgia | (noun) an ache localized in the stomach or abdominal region | Synonyms: bellyache, stomach ache, stomachache |
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| gastrectomy | (noun) surgical removal of all or part of the stomach | - |
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| gastrin | (noun) polypeptide hormone secreted by the mucous lining of the stomach; when peptides and amino acids are present in the small intestine the secretion of gastric acid is stimulated | - |
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| gastritis | (noun) inflammation of the lining of the stomach; nausea and loss of appetite and discomfort after eating | - |
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| gastrocnemius | (noun) the muscle in the back part of the leg that forms the greater part of the calf; responsible for the plantar flexion of the foot | Synonyms: gastrocnemius muscle |
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| gastroenteritis | (noun) inflammation of the stomach and intestines; can be caused by Salmonella enteritidis | Synonyms: intestinal flu, stomach flu |
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| gastroenterologist | (noun) a physician who specializes in diseases of the gastrointestinal tract | - |
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| gastroenterology | (noun) the branch of medicine that studies the gastrointestinal tract and its diseases | - |
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| gastroenterostomy | (noun) surgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated | - |
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| gastrogavage | (noun) feeding a nutrient solution into the stomach through a tube through a surgically created opening | - |
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| gastrolobium | (noun) any of various Australian evergreen shrubs of the genus Gastrolobium having whorled compound leaves poisonous to livestock and showy yellow to deep reddish-orange flowers followed by two-seeded pods | Synonyms: poison bush, poison pea |
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| gastromy | (noun) surgical incision into the stomach | - |
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| gastromycete | (noun) any fungus of the class Gasteromycetes | Synonyms: gasteromycete |
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| gastronome | (noun) a person devoted to refined sensuous enjoyment (especially good food and drink) | Synonyms: bon vivant, epicure, epicurean, foodie, gourmet |
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| gastronomy | (noun) the art and practice of choosing and preparing and eating good food | - |
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| (noun) a particular style of cookery (as of a region) | - |
| 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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| gastroscope | (noun) a type of endoscope for visually examining the stomach | - |
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| gastroscopy | (noun) visual examination of the stomach by means of a gastroscope inserted through the esophagus | - |
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| gastrostomy | (noun) surgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage) | - |
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| gastrula | (noun) double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm | - |
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| gastrulation | (noun) the process in which a gastrula develops from a blastula by the inward migration of cells | - |
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| geochemistry | (noun) the chemistry of the earth's crust | - |
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| geostrategy | (noun) the branch of geopolitics dealing with strategy | - |
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| guestroom | (noun) a bedroom that is kept for the use of guests | - |
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| hairstreak | (noun) small butterflies having striped markings under the wings | Synonyms: hairstreak butterfly |
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| hamstring | (noun) one of the tendons at the back of the knee | Synonyms: hamstring tendon |
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| headmistress | (noun) a woman headmaster | - |
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| headmistressship | (noun) the position of headmistress | - |
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| headstream | (noun) a stream that forms the source of a river | - |
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| heartstrings | (noun) your deepest feelings of love and compassion | - |
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| heatstroke | (noun) collapse caused by exposure to excessive heat | Synonyms: heat hyperpyrexia |
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| heterostracan | (noun) extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian | - |
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| hexestrol | (noun) estrogen compound used to treat menstrual irregularities and menopausal symptoms and to prevent pregnancy | - |
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| hippeastrum | (noun) amaryllis of tropical America often cultivated as a houseplant for its showy white to red flowers | Synonyms: Hippeastrum puniceum |
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| histrion | (noun) a theatrical performer | Synonyms: actor, player, role player, thespian |
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| histrionics | (noun) a performance of a play | Synonyms: representation, theatrical, theatrical performance |
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| (noun) a deliberate display of emotion for effect | - |
| homestretch | (noun) the straight stretch of a racetrack leading to the finish line | - |
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| (noun) the end of an enterprise | - |
| illustration | (noun) a visual representation (a picture or diagram) that is used to make some subject more pleasing or easier to understand | - |
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| (noun) an item of information that is typical of a class or group | Synonyms: example, instance, representative |
| (noun) artwork that helps make something clear or attractive | - |
| (noun) showing by example | Synonyms: exemplification |
| illustrator | (noun) an artist who makes illustrations (for books or magazines or advertisements etc.) | - |
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| illustriousness | (noun) the property possessed by something or someone of outstanding importance or eminence | Synonyms: greatness |
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| immunochemistry | (noun) the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies) | Synonyms: chemoimmunology |
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| immunohistochemistry | (noun) an assay that shows specific antigens in tissues by the use of markers that are either fluorescent dyes or enzymes (such as horseradish peroxidase) | - |
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| indestructibility | (noun) the strength to resist destruction | - |
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