| abrogate | (verb) revoke formally | - |
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| abrogation | (noun) the act of abrogating; an official or legal cancellation | Synonyms: annulment, repeal |
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| abrogator | (noun) an authority or official empowered to abolish or annul or repeal | - |
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| acrogen | (noun) any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem | - |
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| acrogenic | (adjective) pertaining to flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem | Synonyms: acrogenous |
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| acrogenous | (adjective) pertaining to flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem | Synonyms: acrogenic |
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| aerogenerator | (noun) generator that extracts usable energy from winds | Synonyms: wind generator, windmill |
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| aerogram | (noun) a letter sent by air mail | Synonyms: aerogramme, air letter, airmail letter |
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| aerogramme | (noun) a letter sent by air mail | Synonyms: aerogram, air letter, airmail letter |
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| androgen | (noun) male sex hormone that is produced in the testes and responsible for typical male sexual characteristics | Synonyms: androgenic hormone |
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| androgenesis | (noun) male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization | Synonyms: androgeny |
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| androgenetic | (adjective) of or related to androgenesis | Synonyms: androgenous |
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| androgenic | (adjective) of or related to the male hormone androgen | - |
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| androgenous | (adjective) of or related to androgenesis | Synonyms: androgenetic |
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| androgeny | (noun) male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization | Synonyms: androgenesis |
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| androglossia | (noun) a woman's voice with male qualities | - |
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| androgyne | (noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made | Synonyms: epicene, epicene person, gynandromorph, hermaphrodite, intersex |
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| androgynous | (adjective) having both male and female characteristics | - |
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| (adjective) relating to or exhibiting both female and male sex organs but with a predominantly female appearance | - |
| androgyny | (noun) showing characteristics of both sexes | Synonyms: bisexuality, hermaphroditism |
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| anterograde | (adjective) of amnesia; affecting time immediately following trauma | - |
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| arrogance | (noun) overbearing pride evidenced by a superior manner toward inferiors | Synonyms: haughtiness, hauteur, high-handedness, lordliness |
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| arrogant | (adjective) having or showing feelings of unwarranted importance out of overbearing pride | Synonyms: chesty, self-important |
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| arrogantly | (adverb) in an arrogant manner | - |
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| arrogate | (verb) seize and take control without authority and possibly with force; take as one's right or possession | Synonyms: assume, seize, take over, usurp |
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| (verb) make undue claims to having | Synonyms: assign |
| (verb) demand as being one's due or property; assert one's right or title to | Synonyms: claim, lay claim |
| arrogation | (noun) seizure by the government | Synonyms: confiscation |
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| arrogator | (noun) a person who through conceit makes pretentious claims to rights or advantages that he or she is not entitled to or to qualities that he or she does not possess | - |
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| arthrogram | (noun) an X ray of a joint after the injection of a contrast medium | - |
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| arthrography | (noun) roentgenographic examination of a joint after injection of radiopaque contrast medium; produces an arthrogram | - |
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| astrogate | (verb) navigate in space | - |
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| (verb) guide in interplanetary travel | - |
| astrogator | (noun) the navigator of a spacecraft | - |
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| astroglia | (noun) tissue consisting of large stellate neuroglial cells | Synonyms: macroglia |
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| atherogenesis | (noun) the formation of atheromas on the walls of the arteries as in atherosclerosis | - |
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| barograph | (noun) a recording barometer; automatically records on paper the variations in atmospheric pressure | - |
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| barographic | (adjective) relating to or registered by a barograph | - |
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| brogan | (noun) a thick and heavy shoe | Synonyms: brogue, clodhopper, work shoe |
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| brogue | (noun) a thick and heavy shoe | Synonyms: brogan, clodhopper, work shoe |
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| bullfrog | (noun) largest North American frog; highly aquatic with a deep-pitched voice | Synonyms: Rana catesbeiana |
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| cerography | (noun) the art of engraving on a waxed plate on which a printing surface is created by electrotyping. | - |
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| chirography | (noun) beautiful handwriting | Synonyms: calligraphy, penmanship |
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| dehydrogenate | (verb) remove hydrogen from | - |
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| derogate | (verb) cause to seem less serious; play down | Synonyms: belittle, denigrate, minimize |
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| derogation | (noun) (law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law | - |
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| (noun) a communication that belittles somebody or something | Synonyms: depreciation, disparagement |
| derogative | (adjective) expressive of low opinion | Synonyms: derogatory, disparaging |
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| derogatory | (adjective) expressive of low opinion | Synonyms: derogative, disparaging |
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| dextroglucose | (noun) an isomer of glucose that is found in honey and sweet fruits | Synonyms: dextrose, grape sugar |
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| drogue | (noun) a parachute used to decelerate an object that is moving rapidly | Synonyms: drogue chute, drogue parachute |
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| (noun) restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a wind | Synonyms: sea anchor |
| (noun) a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind | Synonyms: air-sleeve, air sock, sock, wind cone, wind sleeve, wind sock, windsock |
| (noun) a funnel-shaped device towed as a target by an airplane | - |
| electrograph | (noun) electrical device used for etching by electrolytic means | - |
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| (noun) an apparatus for the electrical transmission of pictures | - |
| erogenous | (adjective) sensitive to sexual stimulation | - |
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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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| estrogenic | (adjective) relating to or caused by estrogen | - |
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| frog | (noun) any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species | Synonyms: anuran, batrachian, salientian, toad, toad frog |
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| (noun) a decorative loop of braid or cord | - |
| (noun) a person of French descent | Synonyms: Gaul |
| (verb) hunt frogs for food | - |
| frogbit | (noun) European floating plant with roundish heart-shaped leaves and white flowers | Synonyms: frog's-bit, Hydrocharis morsus-ranae |
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| frogfish | (noun) fish having a frog-like mouth with a lure on the snout | - |
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| froghopper | (noun) a variety of spittlebug | - |
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| frogman | (noun) someone who works underwater | Synonyms: diver, underwater diver |
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| frogmarch | (verb) carry someone against his will upside down such that each limb is held by one person | - |
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| (verb) march a person against his will by any method | - |
| frogmouth | (noun) insectivorous bird of Australia and southeastern Asia having a wide frog-like mouth | - |
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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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| glycerogel | (noun) a medicated skin preparation made from glycerin and glycerinated gelatin | Synonyms: glycerogelatin |
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| glycerogelatin | (noun) a medicated skin preparation made from glycerin and glycerinated gelatin | Synonyms: glycerogel |
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| goitrogen | (noun) any substance (such as thiouracil) that induces the formation of a goiter | - |
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| grog | (noun) rum cut with water | - |
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| grogginess | (noun) marginal consciousness | Synonyms: semiconsciousness, stupefaction, stupor |
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| (noun) a groggy state resulting from weariness | - |
| (noun) a dazed and staggering state caused by alcohol | - |
| groggy | (adjective) stunned or confused and slow to react (as from blows or drunkenness or exhaustion) | Synonyms: dazed, foggy, logy, stuporous |
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| grogram | (noun) a coarse fabric of silk mixed with wool or mohair and often stiffened with gum | - |
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| heterogeneity | (noun) the quality of being diverse and not comparable in kind | Synonyms: heterogeneousness |
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| heterogeneous | (adjective) consisting of elements that are not of the same kind or nature | Synonyms: heterogenous |
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| (adjective) originating outside the body | Synonyms: heterogenous |
| heterogeneousness | (noun) the quality of being diverse and not comparable in kind | Synonyms: heterogeneity |
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| heterogenesis | (noun) the alternation of two or more different forms in the life cycle of a plant or animal | Synonyms: alternation of generations, xenogenesis |
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| heterogenous | (adjective) originating outside the body | Synonyms: heterogeneous |
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| (adjective) consisting of elements that are not of the same kind or nature | Synonyms: heterogeneous |
| heterogloss | (noun) the locative boundary of a certain linguistic feature, such as the pronunciation of a vowel, the meaning of a word, or use of some syntactic feature. | Synonyms: isogloss |
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| heterograft | (noun) tissue from an animal of one species used as a temporary graft (as in cases of severe burns) on an individual of another species | Synonyms: xenograft |
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| hieroglyph | (noun) a writing system using picture symbols; used in ancient Egypt | Synonyms: hieroglyphic |
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| (noun) writing that resembles hieroglyphics (usually by being illegible) | Synonyms: hieroglyphic |
| hieroglyphic | (adjective) written in or belonging to a writing system using pictorial symbols | Synonyms: hieroglyphical |
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| (adjective) resembling hieroglyphic writing | Synonyms: hieroglyphical |
| (noun) a writing system using picture symbols; used in ancient Egypt | Synonyms: hieroglyph |
| (noun) writing that resembles hieroglyphics (usually by being illegible) | Synonyms: hieroglyph |
| hieroglyphical | (adjective) written in or belonging to a writing system using pictorial symbols | Synonyms: hieroglyphic |
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| (adjective) resembling hieroglyphic writing | Synonyms: hieroglyphic |
| hieroglyphically | (adverb) by means of hieroglyphs | - |
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| hydrogel | (noun) a colloidal gel in which water is the dispersion medium | - |
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| hydrogen | (noun) a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe | Synonyms: atomic number 1, H |
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| hydrogenate | (verb) combine or treat with or expose to hydrogen; add hydrogen to the molecule of (an unsaturated organic compound) | - |
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| hydrogenation | (noun) a chemical process that adds hydrogen atoms to an unsaturated oil | - |
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| hydrographic | (adjective) of or relating to the science of hydrography | Synonyms: hydrographical |
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| hydrographical | (adjective) of or relating to the science of hydrography | Synonyms: hydrographic |
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| hydrography | (noun) the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation | - |
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| iatrogenic | (adjective) induced by a physician's words or therapy (used especially of a complication resulting from treatment) | - |
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| icterogenic | (adjective) producing jaundice | - |
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| imbroglio | (noun) a very embarrassing misunderstanding | - |
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| (noun) an intricate and confusing interpersonal or political situation | Synonyms: embroilment |
| interrogate | (verb) pose a series of questions to | Synonyms: question |
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| (verb) transmit (a signal) for setting off an appropriate response, as in telecommunication | - |
| interrogation | (noun) formal systematic questioning | Synonyms: examination, interrogatory |
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| (noun) a sentence of inquiry that asks for a reply | Synonyms: interrogative, interrogative sentence, question |
| (noun) an instance of questioning | Synonyms: enquiry, inquiry, query, question |
| (noun) a transmission that will trigger an answering transmission from a transponder | - |
| interrogative | (adjective) relating to the use of or having the nature of an interrogation | Synonyms: interrogatory |
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| (adjective) relating to verbs in the so-called interrogative mood | - |
| (noun) a sentence of inquiry that asks for a reply | Synonyms: interrogation, interrogative sentence, question |
| (noun) some linguists consider interrogative sentences to constitute a mood | Synonyms: interrogative mood |
| interrogatively | (adverb) with curiosity | Synonyms: curiously, inquisitively |
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| (adverb) in a questioning format | - |
| interrogator | (noun) a questioner who is excessively harsh | Synonyms: inquisitor |
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| interrogatory | (adjective) relating to the use of or having the nature of an interrogation | Synonyms: interrogative |
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| (noun) formal systematic questioning | Synonyms: examination, interrogation |
| leapfrog | (noun) a game in which one child bends down and another leaps over | - |
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| (noun) advancing as if in the child's game, by leaping over obstacles or competitors | - |
| (verb) progress by large jumps instead of small increments | - |
| (verb) to vault | - |
| macroglia | (noun) tissue consisting of large stellate neuroglial cells | Synonyms: astroglia |
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| macroglossia | (noun) a congenital disorder characterized by an abnormally large tongue; often seen in cases of Down's syndrome | - |
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| medroxyprogesterone | (noun) a progestin compound (trade name Provera) used to treat menstrual disorders | Synonyms: Provera |
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| microgametophyte | (noun) the male gametophyte produced by a microspore | - |
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| microgauss | (noun) a unit of magnetic flux density equal to one millionth of a gauss | - |
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| microglia | (noun) neuroglial tissue of mesodermal origin that can become phagocytic | - |
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| microgliacyte | (noun) a cell of the microglia that may become phagocytic and collect waste products of nerve tissue | - |
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