| abetalipoproteinemia | (noun) a rare inherited disorder of fat metabolism; characterized by severe deficiency of beta-lipoproteins and abnormal red blood cells (acanthocytes) and abnormally low cholesterol levels | - |
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| acupressure | (noun) treatment of symptoms by applying pressure with the fingers to specific pressure points on the body | Synonyms: G-Jo, shiatsu |
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| agitprop | (noun) political propaganda (especially communist propaganda) communicated via art and literature and cinema | - |
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| alprazolam | (noun) an antianxiety agent (trade name Xanax) of the benzodiazepine class | Synonyms: Xanax |
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| antidepressant | (noun) any of a class of drugs used to treat depression; often have undesirable side effects | Synonyms: antidepressant drug |
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| antiproton | (noun) an unstable negatively charged proton; the antiparticle of a proton | - |
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| antiprotozoal | (noun) a medicinal drug used to fight diseases (like malaria) that are caused by protozoa | Synonyms: antiprotozoal drug |
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| antipruritic | (noun) a substance that relieves or prevents itching | - |
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| appraisal | (noun) an expert estimation of the quality, quantity, and other characteristics of someone or something | - |
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| (noun) the classification of someone or something with respect to its worth | Synonyms: assessment |
| (noun) a document appraising the value of something (as for insurance or taxation) | Synonyms: estimate, estimation |
| appraiser | (noun) one who estimates officially the worth or value or quality of things | Synonyms: valuator |
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| (noun) one who determines authenticity (as of works of art) or who guarantees validity | Synonyms: authenticator |
| appreciation | (noun) a favorable judgment | Synonyms: admiration |
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| (noun) an increase in price or value | - |
| (noun) understanding of the nature or meaning or quality or magnitude of something | Synonyms: grasp, hold |
| (noun) delicate discrimination (especially of esthetic values) | Synonyms: discernment, perceptiveness, taste |
| (noun) an expression of gratitude | - |
| appreciativeness | (noun) warm friendly feelings of gratitude | Synonyms: gratefulness, thankfulness |
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| appreciator | (noun) a person who is fully aware of something and understands it | - |
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| apprehender | (noun) a person who seizes or arrests (especially a person who seizes or arrests in the name of justice) | - |
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| (noun) a person who knows or apprehends | Synonyms: knower |
| apprehension | (noun) the act of apprehending (especially apprehending a criminal) | Synonyms: arrest, catch, collar, pinch, taking into custody |
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| (noun) the cognitive condition of someone who understands | Synonyms: discernment, savvy, understanding |
| (noun) painful expectation | Synonyms: misgiving |
| (noun) fearful expectation or anticipation | Synonyms: apprehensiveness, dread |
| apprehensiveness | (noun) fearful expectation or anticipation | Synonyms: apprehension, dread |
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| apprentice | (noun) works for an expert to learn a trade | Synonyms: learner, prentice |
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| apprenticeship | (noun) the position of apprentice | - |
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| apprisal | (noun) informing by words | Synonyms: notification, telling |
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| appro | (noun) an informal British abbreviation of approval | - |
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| approach | (noun) the act of drawing spatially closer to something | Synonyms: approaching, coming |
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| (noun) a relatively short golf shot intended to put the ball onto the putting green | Synonyms: approach shot |
| (noun) ideas or actions intended to deal with a problem or situation | Synonyms: attack, plan of attack |
| (noun) a way of entering or leaving | Synonyms: access |
| (noun) the temporal property of becoming nearer in time | Synonyms: approaching, coming |
| (noun) a close approximation | - |
| (noun) a tentative suggestion designed to elicit the reactions of others | Synonyms: advance, feeler, overture |
| (noun) the event of one object coming closer to another | Synonyms: approaching |
| (noun) the final path followed by an aircraft as it is landing | Synonyms: approach path, glide path, glide slope |
| approachability | (noun) the attribute of being easy to meet or deal with | Synonyms: accessibility |
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| approaching | (noun) the act of drawing spatially closer to something | Synonyms: approach, coming |
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| (noun) the temporal property of becoming nearer in time | Synonyms: approach, coming |
| (noun) the event of one object coming closer to another | Synonyms: approach |
| approbation | (noun) official recognition or approval | - |
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| (noun) official approval | - |
| appropriateness | (noun) the quality of being specially suitable | - |
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| (noun) appropriate conduct; doing the right thing | Synonyms: rightness |
| appropriation | (noun) a deliberate act of acquisition of something, often without the permission of the owner | - |
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| (noun) incorporation by joining or uniting | Synonyms: annexation |
| (noun) money set aside (as by a legislature) for a specific purpose | - |
| appropriator | (noun) someone who takes for his or her own use (especially without permission) | - |
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| approval | (noun) the formal act of approving | Synonyms: approving, blessing |
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| (noun) a message expressing a favorable opinion | Synonyms: commendation |
| (noun) a feeling of liking something or someone good | - |
| (noun) acceptance as satisfactory | Synonyms: favorable reception, favourable reception |
| approver | (noun) an authority with power to approve | - |
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| approving | (noun) the formal act of approving | Synonyms: approval, blessing |
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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 | - |
| apraxia | (noun) inability to make purposeful movements | - |
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| apricot | (noun) a shade of pink tinged with yellow | Synonyms: peach, salmon pink, yellowish pink |
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| (noun) downy yellow to rosy-colored fruit resembling a small peach | - |
| (noun) Asian tree having clusters of usually white blossoms and edible fruit resembling the peach | Synonyms: apricot tree |
| apriorism | (noun) belief in a priori principles or reasoning; specifically : the doctrine that knowledge rests upon principles that are self-evident to reason or are presupposed by experience in general. | - |
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| apron | (noun) a garment of cloth or leather or plastic that is tied about the waist and worn to protect your clothing | - |
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| (noun) a paved surface where aircraft stand while not being used | - |
| (noun) the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain) | Synonyms: forestage, proscenium |
| (noun) (golf) the part of the fairway leading onto the green | - |
| archbishopric | (noun) the territorial jurisdiction of an archbishop | - |
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| archpriest | (noun) a senior clergyman and dignitary | Synonyms: hierarch, high priest, prelate, primate |
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| azathioprine | (noun) an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ | Synonyms: Imuran |
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| bedspread | (noun) decorative cover for a bed | Synonyms: bed cover, bed covering, bedcover, counterpane, spread |
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| bedspring | (noun) (usually in the plural) one of the springs holding up the mattress of a bed | - |
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| biprism | (noun) an optical device for obtaining interference fringes | - |
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| bishopric | (noun) the territorial jurisdiction of a bishop | Synonyms: diocese, episcopate |
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| bishopry | (noun) the office and dignity of a bishop | Synonyms: episcopate |
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| blueprint | (noun) photographic print of plans or technical drawings etc. | - |
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| (noun) something intended as a guide for making something else | Synonyms: design, pattern |
| bombproof | (noun) a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids | Synonyms: air-raid shelter, bomb shelter |
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| bowsprit | (noun) a spar projecting from the bow of a vessel | - |
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| byproduct | (noun) a product made during the manufacture of something else | Synonyms: by-product, spin-off |
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| (noun) a secondary and sometimes unexpected consequence | Synonyms: by-product |
| capriccio | (noun) an instrumental composition that doesn't adhere to rules for any specific musical form and is played with improvisation | - |
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| caprice | (noun) a sudden desire | Synonyms: impulse, whim |
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| capriciousness | (noun) the trait of acting unpredictably and more from whim or caprice than from reason or judgment | Synonyms: arbitrariness, flightiness, whimsey, whimsicality, whimsy |
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| (noun) the quality of being guided by sudden unpredictable impulses | Synonyms: unpredictability |
| caprifig | (noun) wild variety of the common fig used to facilitate pollination of certain figs | Synonyms: Ficus carica sylvestris |
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| caprimulgid | (noun) mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects | Synonyms: goatsucker, nightjar |
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| capriole | (noun) (dressage) a vertical jump of a trained horse with a kick of the hind legs at the top of the jump | - |
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| (noun) a playful leap or hop | Synonyms: caper |
| captopril | (noun) a drug (trade name Capoten) that blocks the formation of angiotensin in the kidneys resulting in vasodilation; used in the treatment of hypertension and congestive heart failure | Synonyms: Capoten |
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| chiropractic | (noun) a method of treatment that manipulates body structures (especially the spine) to relieve low back pain or even headache or high blood pressure | - |
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| chiropractor | (noun) a therapist who practices chiropractic | - |
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| chloroprene | (noun) derivative of butadiene used in making neoprene by polymerization | - |
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| chlorpromazine | (noun) a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer | Synonyms: Thorazine |
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| chrysoprase | (noun) a green variety of chalcedony valued as a gemstone | - |
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| ciderpress | (noun) a press that is used to extract the juice from apples | - |
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| ciprofloxacin | (noun) an oral antibiotic (trade name Cipro) used against serious bacterial infections of the skin or respiratory tract or urinary tract or bones or joints | Synonyms: Cipro |
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| clomipramine | (noun) a tricyclic antidepressant drug | - |
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| clothespress | (noun) a closet where clothes are stored | Synonyms: clothes closet |
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| comprehensibility | (noun) the quality of comprehensible language or thought | Synonyms: understandability |
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| comprehension | (noun) an ability to understand the meaning or importance of something (or the knowledge acquired as a result) | - |
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| (noun) the relation of comprising something | Synonyms: inclusion |
| comprehensive | (noun) an intensive examination testing a student's proficiency in some special field of knowledge | Synonyms: comp, comprehensive examination |
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| comprehensiveness | (noun) the capacity to understand a broad range of topics | Synonyms: breadth, largeness |
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| (noun) completeness over a broad scope | Synonyms: fullness |
| compress | (noun) a cloth pad or dressing (with or without medication) applied firmly to some part of the body (to relieve discomfort or reduce fever) | - |
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| compressibility | (noun) the property of being able to occupy less space | Synonyms: sponginess, squeezability |
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| compressing | (noun) applying pressure | Synonyms: compression |
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| compression | (noun) applying pressure | Synonyms: compressing |
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| (noun) encoding information while reducing the bandwidth or bits required | - |
| (noun) the process or result of becoming smaller or pressed together | Synonyms: condensation, contraction |
| (noun) an increase in the density of something | Synonyms: compaction, concretion, densification |
| compressor | (noun) a mechanical device that compresses gasses | - |
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| (noun) an electronic device that reduces the dynamic range of an audio signal. | - |
| compromise | (noun) a middle way between two extremes | Synonyms: via media |
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| (noun) an accommodation in which both sides make concessions | - |
| compromiser | (noun) a negotiator willing to compromise | - |
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| copra | (noun) the dried meat of the coconut from which oil is extracted | - |
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| coprolalia | (noun) an uncontrollable use of obscene language; often accompanied by mental disorders | - |
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| coprolite | (noun) fossil excrement; petrified dung | - |
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| coprolith | (noun) a hard mass of fecal matter | Synonyms: faecalith, fecalith, stercolith |
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| coprophagia | (noun) eating feces; in human a symptom of some kinds of insanity | Synonyms: coprophagy |
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| coprophagy | (noun) eating feces; in human a symptom of some kinds of insanity | Synonyms: coprophagia |
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| counterproject | (noun) a project, scheme, or proposal brought forward in opposition to another, as in the negotiation of a treaty. | - |
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| counterproposal | (noun) a proposal offered as an alternative to an earlier proposal | - |
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| culprit | (noun) someone who perpetrates wrongdoing | Synonyms: perpetrator |
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| cuprite | (noun) a mineral consisting of cuprous oxide that is a source of copper | - |
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| cupronickel | (noun) a 60/40 alloy of copper and nickel | - |
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| cyclobenzaprine | (noun) muscle relaxant (trade name Flexeril) used for muscle spasms or acute injury | Synonyms: Flexeril |
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| cyclopropane | (noun) a colorless flammable gas sometimes used as an inhalation anesthetic | - |
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| cypre | (noun) large tropical American tree of the genus Cordia grown for its abundant creamy white flowers and valuable wood | Synonyms: Cordia alliodora, Equador laurel, princewood, salmwood, Spanish elm |
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| cypress | (noun) any of numerous evergreen conifers of the genus Cupressus of north temperate regions having dark scalelike leaves and rounded cones | Synonyms: cypress tree |
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| (noun) wood of any of various cypress trees especially of the genus Cupressus | - |
| cyprian | (noun) a woman who engages in sexual intercourse for money | Synonyms: bawd, cocotte, fancy woman, harlot, lady of pleasure, prostitute, sporting lady, tart, whore, woman of the street, working girl |
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| cyprinid | (noun) soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales | Synonyms: cyprinid fish |
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| cyprinodont | (noun) any member of the family Cyprinodontidae | - |
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| cypripedia | (noun) a plant or flower of the genus Cypripedium | - |
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| cyproheptadine | (noun) an antihistamine (trade name Periactin) used to treat some allergic reactions | Synonyms: Periactin |
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| dayspring | (noun) the first light of day | Synonyms: aurora, break of day, break of the day, cockcrow, dawn, dawning, daybreak, first light, morning, sunrise, sunup |
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| decompressing | (noun) relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure) | Synonyms: decompression |
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| decompression | (noun) relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure) | Synonyms: decompressing |
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| (noun) restoring compressed information to its normal form for use or display | - |
| depravation | (noun) moral perversion; impairment of virtue and moral principles | Synonyms: corruption, degeneracy, depravity, putrefaction |
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| depravity | (noun) a corrupt or depraved or degenerate act or practice | Synonyms: turpitude |
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| (noun) moral perversion; impairment of virtue and moral principles | Synonyms: corruption, degeneracy, depravation, putrefaction |
| deprecatio | (noun) a praying against evil, against others, or oneself; a prayer for the removal of some evil. | - |
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