ankylosaurus | (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's | Synonyms: ankylosaur |
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ankylosis | (noun) abnormal adhesion and rigidity of the bones of a joint | Synonyms: anchylosis |
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annals | (noun) a chronological account of events in successive years | Synonyms: chronological record |
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(noun) reports of the work of a society or learned body etc | - |
annulus | (noun) (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar | Synonyms: skirt |
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(noun) a toroidal shape | Synonyms: anchor ring, doughnut, halo, ring |
anoestrus | (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus | Synonyms: anestrum, anestrus, anoestrum |
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anomalops | (noun) fish having a luminous organ beneath eye; of warm waters of the western Pacific and Puerto Rico | Synonyms: flashlight fish |
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anomalousness | (noun) deviation from the normal or common order or form or rule | Synonyms: anomaly |
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answerableness | (noun) responsibility to someone or for some activity | Synonyms: accountability, answerability |
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anthesis | (noun) the time and process of budding and unfolding of blossoms | Synonyms: blossoming, efflorescence, florescence, flowering, inflorescence |
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anthracosis | (noun) lung disease caused by inhaling coal dust | Synonyms: black lung, black lung disease, coal miner's lung |
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anthropogenesis | (noun) the evolution or genesis of the human race | Synonyms: anthropogeny |
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anthropophagus | (noun) a person who eats human flesh | Synonyms: anthropophagite, cannibal, man-eater |
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antibiosis | (noun) an association between organisms that is harmful to one of them or between organisms and a metabolic product of another | - |
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antimetathesis | (noun) A rhetorical figure resulting from a reverted arrangement in the last clause of a sentence of the two principal words of the clause preceding; inversion of the members of an antithesis: as, "A poem is a speaking picture; a picture a mute poem". | - |
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antiphrasis | (noun) the use of a word in a sense opposite to its normal sense (especially in irony) | - |
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antipodes | (noun) any two places or regions on diametrically opposite sides of the Earth | - |
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antipyresis | (noun) medication with antipyretics to treat a fever | - |
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antiquatedness | (noun) The state or quality of being outmoded or discredited by reason of age, of being out of style or fashion. | - |
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antiqueness | (noun) the quality or state of being in the style or fashion of former times. | - |
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antireligiousness | (noun) The state or condition of being opposed to religion. | - |
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antisepsis | (noun) the process of inhibiting the growth and multiplication of microorganisms | Synonyms: asepsis |
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(noun) (of non-living objects) the state of being free of pathogenic organisms | Synonyms: asepsis, sterileness, sterility |
antithesis | (noun) the juxtaposition of contrasting words or ideas to give a feeling of balance | - |
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(noun) exact opposite | - |
antitrades | (noun) wind in the upper atmosphere blowing above but in the opposite direction from the trade winds | - |
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anuresis | (noun) inability to urinate | Synonyms: anuria |
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anus | (noun) the excretory opening at the end of the alimentary canal | - |
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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 |
aortitis | (noun) inflammation of the aorta | - |
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apatosaurus | (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic | Synonyms: apatosaur, Apatosaurus excelsus, brontosaur, brontosaurus, thunder lizard |
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aphaeresis | (noun) (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until' | Synonyms: apheresis |
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apheresis | (noun) a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion | Synonyms: pheresis |
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(noun) (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until' | Synonyms: aphaeresis |
aphesis | (noun) the gradual disappearance of an initial (usually unstressed) vowel or syllable as in `squire' for `esquire' | - |
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apoapsis | (noun) (astronomy) the point in an orbit farthest from the body being orbited | Synonyms: point of apoapsis |
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apocryphalness | (noun) The property of being of doubtful authenticity, of lacking authority, or of not being regarded as canonical. | - |
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(noun) The property of being of dubious veracity; of questionable accuracy or truthfulness. | - |
apologetics | (noun) the branch of theology that is concerned with the defense of Christian doctrines | - |
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apomixis | (noun) any of several kinds of reproduction without fertilization | - |
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aponeurosis | (noun) any of the deeper and thicker fascia that attach muscles to bones; resemble flattened tendons | - |
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apophasis | (noun) mentioning something by saying it will not be mentioned | - |
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apophysis | (noun) (anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra | - |
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(noun) (botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers | - |
apoptosis | (noun) a type of cell death in which the cell uses specialized cellular machinery to kill itself; a cell suicide mechanism that enables metazoans to control cell number and eliminate cells that threaten the animal's survival | Synonyms: caspase-mediated cell death, programmed cell death |
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aposiopesis | (noun) breaking off in the middle of a sentence (as by writers of realistic conversations) | - |
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apotheosis | (noun) the elevation of a person (as to the status of a god) | Synonyms: deification, exaltation |
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(noun) model of excellence or perfection of a kind; one having no equal | Synonyms: ideal, nonesuch, nonpareil, nonsuch, paragon, saint |
apparatus | (noun) equipment designed to serve a specific function | Synonyms: setup |
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(noun) (anatomy) a group of body parts that work together to perform a given function | - |
apparentness | (noun) the property of being apparent | Synonyms: apparency |
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appealingness | (noun) attractiveness that interests or pleases or stimulates | Synonyms: appeal, charm |
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appendicitis | (noun) inflammation of the vermiform appendix | - |
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appetisingness | (noun) the property of stimulating the appetite | Synonyms: appetizingness |
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appetizingness | (noun) the property of stimulating the appetite | Synonyms: appetisingness |
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appositeness | (noun) appropriateness for the occasion | Synonyms: aptness |
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appreciativeness | (noun) warm friendly feelings of gratitude | Synonyms: gratefulness, thankfulness |
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apprehensiveness | (noun) fearful expectation or anticipation | Synonyms: apprehension, dread |
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appropriateness | (noun) the quality of being specially suitable | - |
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(noun) appropriate conduct; doing the right thing | Synonyms: rightness |
apsis | (noun) a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar | Synonyms: apse |
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aptness | (noun) appropriateness for the occasion | Synonyms: appositeness |
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(noun) a disposition to behave in a certain way | Synonyms: propensity |
aquatics | (noun) sports that involve bodies of water | Synonyms: water sport |
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arbitrariness | (noun) the trait of acting unpredictably and more from whim or caprice than from reason or judgment | Synonyms: capriciousness, flightiness, whimsey, whimsicality, whimsy |
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arborvirus | (noun) a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis | Synonyms: arbovirus |
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arbovirus | (noun) a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis | Synonyms: arborvirus |
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arbutus | (noun) any of several evergreen shrubs of the genus Arbutus of temperate Europe and America | - |
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arccos | (noun) the inverse function of the cosine; the angle that has a cosine equal to a given number | Synonyms: arc cosine, arccosine, inverse cosine |
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archaeornis | (noun) extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing | - |
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archduchess | (noun) a wife or widow of an archduke or a princess of the former ruling house of Austria | - |
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architectonics | (noun) the science of architecture | Synonyms: tectonics |
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architeuthis | (noun) largest mollusk known about but never seen (to 60 feet long) | Synonyms: giant squid |
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archives | (noun) collection of records especially about an institution | - |
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archness | (noun) inappropriate playfulness | Synonyms: impertinence, perkiness, pertness, sauciness |
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arcus | (noun) a whitish deposit in the shape of an arc that is sometimes seen in the cornea | Synonyms: arcus senilis |
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arduousness | (noun) extreme effortfulness | Synonyms: strenuousness |
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arenavirus | (noun) animal viruses belonging to the family Arenaviridae | - |
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argus | (noun) large brilliantly patterned East Indian pheasant | Synonyms: argus pheasant |
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aridness | (noun) a deficiency of moisture (especially when resulting from a permanent absence of rainfall) | Synonyms: aridity, thirstiness |
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arles | (noun) money given by a buyer to a seller to bind a contract | Synonyms: earnest money |
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arms | (noun) weapons considered collectively | Synonyms: implements of war, munition, weaponry, weapons system |
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(noun) the official symbols of a family, state, etc. | Synonyms: blazon, blazonry, coat of arms |
arquebus | (noun) an obsolete firearm with a long barrel | Synonyms: hackbut, hagbut, harquebus |
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arras | (noun) a wall hanging of heavy handwoven fabric often with pictorial designs | Synonyms: tapestry |
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arrears | (noun) an unpaid overdue debt | - |
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(noun) the state of being behind in payments | - |
arteriectasis | (noun) an abnormal distension of an artery | Synonyms: arteriectasia |
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arteriolosclerosis | (noun) sclerosis of the arterioles | - |
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arteriosclerosis | (noun) sclerosis of the arterial walls | Synonyms: arterial sclerosis, coronary-artery disease, hardening of the arteries, induration of the arteries |
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arteritis | (noun) inflammation of an artery | - |
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artfulness | (noun) the quality of being adroit in taking unfair advantage | - |
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arthritis | (noun) inflammation of a joint or joints | - |
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arthrocentesis | (noun) removal of fluid from a joint by centesis | - |
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arthrodesis | (noun) the surgical fixation of a joint which is intended to result in bone fusion | - |
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articulateness | (noun) the quality of being facile in speech and writing | Synonyms: fluency, volubility |
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artlessness | (noun) ingenuousness by virtue of being free from artful deceit | - |
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(noun) the quality of innocent naivete | Synonyms: ingenuousness, innocence, naturalness |
arts | (noun) studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills) | Synonyms: humanistic discipline, humanities, liberal arts |
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asbestos | (noun) a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer | - |
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asbestosis | (noun) lung disease caused by inhaling asbestos particles | - |
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ascariasis | (noun) infestation of the human intestine with Ascaris roundworms | - |
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ascesis | (noun) rigorous self-denial and active self-restraint | Synonyms: asceticism |
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ascites | (noun) accumulation of serous fluid in peritoneal cavity | - |
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ascus | (noun) saclike structure in which ascospores are formed through sexual reproduction of ascomycetes | - |
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asepsis | (noun) the process of inhibiting the growth and multiplication of microorganisms | Synonyms: antisepsis |
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(noun) (of non-living objects) the state of being free of pathogenic organisms | Synonyms: antisepsis, sterileness, sterility |
asparagus | (noun) edible young shoots of the asparagus plant | - |
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(noun) plant whose succulent young shoots are cooked and eaten as a vegetable | Synonyms: Asparagus officinales, edible asparagus |
aspergillosis | (noun) an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs | - |
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(noun) disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs | - |
(noun) severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys | Synonyms: brooder pneumonia |
ass | (noun) slang for sexual intercourse | Synonyms: fuck, fucking, nookie, nooky, piece of ass, piece of tail, roll in the hay, screw, screwing, shag, shtup |
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(noun) hardy and sure-footed animal smaller and with longer ears than the horse | - |
(noun) the fleshy part of the human body that you sit on | Synonyms: arse, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush |
(noun) a pompous fool | - |
assertiveness | (noun) aggressive self-assurance; given to making bold assertions | Synonyms: self-assertiveness |
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assets | (noun) anything of material value or usefulness that is owned by a person or company | - |
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assiduousness | (noun) great and constant diligence and attention | Synonyms: assiduity, concentration |
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assizes | (noun) the county courts of England (replaced in 1971 by Crown courts) | Synonyms: court of assize, court of assize and nisi prius |
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