abaxial | (adjective) facing away from the axis of an organ or organism | Synonyms: dorsal |
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abaxially | (adverb) in an abaxial manner | - |
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acathexia | (noun) an inability to retain bodily secretions | - |
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acathexis | (noun) (psychoanalysis) a lack of cathexis; a condition in which significant objects or memories arouse no emotion in an individual | - |
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actinomyxidian | (noun) of or relating to parasites of worms | - |
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adaxial | (adjective) nearest to or facing toward the axis of an organ or organism | Synonyms: ventral |
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adaxially | (adverb) in an adaxial manner | - |
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addax | (noun) large antelope with lightly spiraled horns of desert regions of northern Africa | Synonyms: Addax nasomaculatus |
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admix | (verb) mix or mingle | - |
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admixture | (noun) the act of mixing together | Synonyms: commixture, intermixture, mix, mixing, mixture |
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(noun) an additional ingredient that is added by mixing with the base | Synonyms: intermixture |
(noun) the state of impairing the quality or reducing the value of something | Synonyms: alloy |
adnexa | (noun) accessory or adjoining anatomical parts or appendages to an organ (especially of the embryo) | Synonyms: annexa |
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adnexal | (adjective) of or pertaining to adnexa | Synonyms: annexal |
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adoxography | (noun) fine writing in praise of trivial or base subjects | - |
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affix | (noun) a linguistic element added to a word to produce an inflected or derived form | - |
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(verb) stick or fasten to | Synonyms: stick on |
(verb) add to the very end | Synonyms: add on, append, supplement |
(verb) attach or become attached to a stem word | - |
affixal | (adjective) of or pertaining to a linguistic affix | Synonyms: affixial |
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affixation | (noun) formation of a word by means of an affix | - |
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(noun) the act of attaching or affixing something | Synonyms: attachment |
(noun) the result of adding an affix to a root word | - |
affixed | (adjective) firmly attached | - |
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affixial | (adjective) of or pertaining to a linguistic affix | Synonyms: affixal |
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aflatoxin | (noun) a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon | - |
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aldohexose | (noun) a monosaccharide sugar having six carbon atoms and an aldehyde group | - |
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alexandrite | (noun) a green variety of chrysoberyl used as a gemstone | - |
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alexia | (noun) inability to perceive written words | Synonyms: visual aphasia, word blindness |
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alexic | (adjective) of or relating to or symptomatic of alexia | Synonyms: word-blind |
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(noun) a person with alexia | - |
ambidexterity | (noun) the property of being equally skillful with each hand | Synonyms: ambidextrousness |
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ambidextrous | (adjective) equally skillful with each hand | Synonyms: two-handed |
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(adjective) marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another | Synonyms: deceitful, double-dealing, double-faced, double-tongued, duplicitous, Janus-faced, two-faced |
ambidextrousness | (noun) the property of being equally skillful with each hand | Synonyms: ambidexterity |
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amoxicillin | (noun) an antibiotic; a semisynthetic oral penicillin (trade names Amoxil and Larotid and Polymox and Trimox and Augmentin) used to treat bacterial infections | Synonyms: Amoxil, Augmentin, Larotid, Polymox, Trimox |
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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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amyxia | (noun) a condition in which no mucus in produced | - |
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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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anatoxin | (noun) a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin | Synonyms: toxoid |
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annex | (noun) an addition that extends a main building | Synonyms: annexe, extension, wing |
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(verb) add an extra part to | - |
(verb) take (territory) as if by conquest | - |
annexa | (noun) accessory or adjoining anatomical parts or appendages to an organ (especially of the embryo) | Synonyms: adnexa |
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annexal | (adjective) of or pertaining to adnexa | Synonyms: adnexal |
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annexation | (noun) the formal act of acquiring something (especially territory) by conquest or occupation | - |
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(noun) incorporation by joining or uniting | Synonyms: appropriation |
annexational | (adjective) relating to annexation | - |
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annexe | (noun) an addition that extends a main building | Synonyms: annex, extension, wing |
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anomalopteryx | (noun) the smallest moa; slender moa about the size of a large turkey | Synonyms: Anomalopteryx oweni |
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anorexia | (noun) a prolonged disorder of eating due to loss of appetite | - |
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anorexic | (adjective) suffering from anorexia nervosa; pathologically thin | Synonyms: anorectic |
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(noun) a person suffering from anorexia nervosa | Synonyms: anorectic |
anorexigenic | (adjective) causing loss of appetite | Synonyms: anorectic |
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anoxemia | (noun) abnormally low oxygen content in arterial blood | - |
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anoxemic | (adjective) relating to or marked by abnormally little oxygen in arterial blood | - |
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anoxia | (noun) severe hypoxia; absence of oxygen in inspired gases or in arterial blood or in the tissues | - |
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anoxic | (adjective) relating to or marked by a severe deficiency of oxygen in tissues or organs | - |
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antapex | (noun) the point opposite in direction from the solar apex; the point the solar system is moving away from | - |
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antefix | (noun) carved ornament at the eaves of a tile roof concealing the joints between tiles | - |
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anthrax | (noun) a highly infectious animal disease (especially cattle and sheep); it can be transmitted to people | Synonyms: splenic fever |
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(noun) a disease of humans that is not communicable; caused by infection with Bacillus anthracis followed by septicemia | - |
anticlimax | (noun) a change from a serious subject to a disappointing one | Synonyms: bathos |
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(noun) a disappointing decline after a previous rise | - |
antioxidant | (noun) substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides | - |
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antitoxic | (adjective) counteracting a toxin or poison | - |
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antitoxin | (noun) an antibody that can neutralize a specific toxin | - |
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anxiety | (noun) a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune | - |
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(noun) (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic | Synonyms: anxiousness |
anxiolytic | (adjective) anxiety relieving | - |
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(noun) a tranquilizer used to relieve anxiety and reduce tension and irritability | Synonyms: antianxiety drug, anxiolytic drug, minor tranquilizer, minor tranquilliser, minor tranquillizer |
anxious | (adjective) eagerly desirous | Synonyms: dying |
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(adjective) causing or fraught with or showing anxiety | Synonyms: nervous, queasy, uneasy, unquiet |
anxiously | (adverb) with anxiety or apprehension | Synonyms: apprehensively, uneasily |
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anxiousness | (noun) a feeling of mild anxiety about possible developments | Synonyms: disquiet |
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(noun) (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic | Synonyms: anxiety |
apex | (noun) the highest point (of something) | Synonyms: acme, peak, vertex |
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(noun) the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars | Synonyms: apex of the sun's way, solar apex |
apomixis | (noun) any of several kinds of reproduction without fertilization | - |
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apoplexy | (noun) a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain | Synonyms: cerebrovascular accident, CVA, stroke |
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appendix | (noun) a vestigial process that extends from the lower end of the cecum and that resembles a small pouch | Synonyms: cecal appendage, vermiform appendix, vermiform process |
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(noun) supplementary material that is collected and appended at the back of a book | - |
approximate | (adjective) located close together | Synonyms: close together |
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(adjective) very close in resemblance | Synonyms: near |
(adjective) not quite exact or correct | Synonyms: approximative, rough |
(verb) judge tentatively or form an estimate of (quantities or time) | Synonyms: estimate, gauge, guess, judge |
(verb) be close or similar | Synonyms: come close |
approximately | (adverb) (of quantities) imprecise but fairly close to correct | Synonyms: about, around, close to, just about, more or less, or so, roughly, some |
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approximation | (noun) the act of bringing near or bringing together especially the cut edges of tissue | Synonyms: bringing close together |
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(noun) the quality of coming near to identity (especially close in quantity) | - |
(noun) an approximate calculation of quantity or degree or worth | Synonyms: estimate, estimation, idea |
(noun) an imprecise or incomplete account | - |
approximative | (adjective) not quite exact or correct | Synonyms: approximate, rough |
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apraxia | (noun) inability to make purposeful movements | - |
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apraxic | (adjective) having uncoordinated muscular movements, symptomatic of a CNS disorder | Synonyms: apractic |
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apteryx | (noun) nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes | Synonyms: kiwi |
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archaeopteryx | (noun) extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds | Synonyms: Archaeopteryx lithographica, archeopteryx |
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archeopteryx | (noun) extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds | Synonyms: archaeopteryx, Archaeopteryx lithographica |
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areflexia | (noun) absence of a reflex; a sign of possible nerve damage | - |
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asexual | (adjective) not having or involving sex | Synonyms: nonsexual |
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asexuality | (noun) having no evident sex or sex organs | Synonyms: sexlessness |
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asexually | (adverb) in an asexual manner | - |
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asphyxia | (noun) a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas | - |
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asphyxiate | (verb) be asphyxiated; die from lack of oxygen | Synonyms: stifle, suffocate |
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(verb) deprive of oxygen and prevent from breathing | Synonyms: smother, suffocate |
(verb) impair the respiration of or obstruct the air passage of | Synonyms: choke, stifle, suffocate |
asphyxiated | (adjective) in a state of asphyxia | - |
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asphyxiating | (adjective) tending to deprive of oxygen | - |
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asphyxiation | (noun) killing by depriving of oxygen | Synonyms: suffocation |
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(noun) the condition of being deprived of oxygen (as by having breathing stopped) | Synonyms: suffocation |
asphyxiator | (noun) a manually operated device for extinguishing small fires | Synonyms: extinguisher, fire extinguisher |
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ataraxia | (noun) peace of mind | - |
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ataraxic | (adjective) tending to soothe or tranquilize | Synonyms: ataractic, sedative, tranquilising, tranquilizing, tranquillising, tranquillizing |
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ataraxis | (noun) the absence of mental stress or anxiety | Synonyms: heartsease, peace, peace of mind, peacefulness, repose, serenity |
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ataxia | (noun) inability to coordinate voluntary muscle movements; unsteady movements and staggering gait | Synonyms: ataxy, dyssynergia, motor ataxia |
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ataxic | (adjective) lacking motor coordination; marked or caused by ataxia | Synonyms: atactic |
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ataxy | (noun) inability to coordinate voluntary muscle movements; unsteady movements and staggering gait | Synonyms: ataxia, dyssynergia, motor ataxia |
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atoxic | (adjective) not producing or resulting from poison | Synonyms: nontoxic |
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auspex | (noun) (ancient Rome) a religious official who interpreted omens to guide public policy | Synonyms: augur |
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autosexing | (noun) (especially of domestic fowl) breeding to reveal differential sex characteristics at hatching | - |
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auxesis | (noun) growth from increase in cell size without cell division | - |
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auxetic | (adjective) of or relating to growth by auxesis | - |
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auxiliary | (adjective) functioning in a supporting capacity | Synonyms: subsidiary, supplemental, supplementary |
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(adjective) furnishing added support | Synonyms: accessory, adjunct, adjuvant, ancillary, appurtenant |
(noun) someone who acts as assistant | Synonyms: aide |
auxin | (noun) a plant hormone that promotes root formation and bud growth | - |
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auxinic | (adjective) relating to or containing auxins | - |
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aviatrix | (noun) a woman aviator | Synonyms: airwoman, aviatress |
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ax | (noun) an edge tool with a heavy bladed head mounted across a handle | Synonyms: axe |
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(verb) terminate | Synonyms: axe |
(verb) chop or split with an ax | Synonyms: axe |
axe | (noun) an edge tool with a heavy bladed head mounted across a handle | Synonyms: ax |
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(verb) terminate | Synonyms: ax |
(verb) chop or split with an ax | Synonyms: ax |
axenic | (adjective) (of experimental animals) raised under sterile conditions | - |
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(adjective) (used of cultures of microorganisms) completely free from other organisms | - |
axerophthol | (noun) any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes | Synonyms: A, antiophthalmic factor, vitamin A |
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