| 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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| 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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| 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 | - |
| 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 |
| 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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| 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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| 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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| 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 |
| apomixis | (noun) any of several kinds of reproduction without fertilization | - |
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| 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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| areflexia | (noun) absence of a reflex; a sign of possible nerve damage | - |
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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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| atoxic | (adjective) not producing or resulting from poison | Synonyms: nontoxic |
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| autosexing | (noun) (especially of domestic fowl) breeding to reveal differential sex characteristics at hatching | - |
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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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| axial | (adjective) of or relating to or resembling an axis of rotation | - |
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| (adjective) relating to or attached to the axis | Synonyms: axile |
| (adjective) situated on or along or in the direction of an axis | - |
| axially | (adverb) with respect to an axis | - |
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| axil | (noun) the upper angle between an axis and an offshoot such as a branch or leafstalk | - |
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| axile | (adjective) relating to or attached to the axis | Synonyms: axial |
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| axilla | (noun) the hollow under the arm where it is joined to the shoulder | Synonyms: armpit, axillary cavity, axillary fossa |
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| axillary | (adjective) of or relating to the armpit | - |
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| (adjective) of or relating to the axil | Synonyms: alar |
| axiological | (adjective) of or relating to the study of values | - |
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| axiology | (noun) the study of values and value judgments | - |
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| axiom | (noun) a saying that is widely accepted on its own merits | Synonyms: maxim |
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| (noun) (logic) a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident | - |
| axiomatic | (adjective) of or relating to or derived from axioms | Synonyms: axiomatical, postulational |
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| (adjective) containing aphorisms or maxims | Synonyms: aphoristic |
| (adjective) evident without proof or argument | Synonyms: self-evident, taken for granted |
| axiomatical | (adjective) of or relating to or derived from axioms | Synonyms: axiomatic, postulational |
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| axiomatically | (adverb) on the basis of axioms | - |
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| axis | (noun) the center around which something rotates | Synonyms: axis of rotation |
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| (noun) the 2nd cervical vertebra; serves as a pivot for turning the head | Synonyms: axis vertebra |
| (noun) a straight line through a body or figure that satisfies certain conditions | - |
| (noun) a group of countries in special alliance | Synonyms: bloc |
| (noun) the main stem or central part about which plant organs or plant parts such as branches are arranged | - |
| bauxite | (noun) a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst | - |
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| bauxitic | (adjective) resembling or containing bauxite | - |
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| biaxial | (adjective) having two axes | Synonyms: biaxal, biaxate |
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| bonxie | (noun) gull-like jaeger of northern seas | Synonyms: skua |
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| botulismotoxin | (noun) potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon | Synonyms: botulin, botulinus toxin |
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| boxing | (noun) fighting with the fists | Synonyms: fisticuffs, pugilism |
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| (noun) the enclosure of something in a package or box | Synonyms: packing |
| bruxism | (noun) involuntarily or unconsciously clenching or grinding the teeth, typically during sleep | - |
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| bulimarexia | (noun) a disorder of eating in which the person alternates between strong craving for food and aversion to food; characterized by excessive eating followed by periods of fasting or self-induced vomiting | Synonyms: binge-purge syndrome, binge-vomit syndrome, bulimia nervosa |
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| cachexia | (noun) any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease | Synonyms: cachexy, wasting |
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| catalexis | (noun) the absence of a syllable in the last foot of a line or verse | - |
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| cathexis | (noun) (psychoanalysis) the libidinal energy invested in some idea or person or object | Synonyms: charge |
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| cefadroxil | (noun) a cephalosporin antibiotic (trade name Ultracef) | Synonyms: Ultracef |
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| cefotaxime | (noun) a parenteral cephalosporin (trade name Claforan) used for severe infections of the lungs or throat or ears or urinary tract | Synonyms: Claforan |
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| cefuroxime | (noun) a cephalosporin that can be given parenterally (trade name Zinacef) or orally by tablets (trade name Ceftin); indicated for infections of the lungs or throat or ears or urinary tract or meninges | Synonyms: Ceftin, Zinacef |
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| celecoxib | (noun) a Cox-2 inhibitor (trade name Celebrex) that relieves pain and inflammation without harming the digestive tract | Synonyms: Celebrex |
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| cephalexin | (noun) a cephalosporin antibiotic (trade names Keflex and Keflin and Keftab) commonly prescribed for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract | Synonyms: Keflex, Keflin, Keftab |
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| chemotaxis | (noun) movement by a cell or organism in reaction to a chemical stimulus | - |
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| chlordiazepoxide | (noun) a tranquilizer (trade names Librium and Libritabs) used in the treatment of alcoholism | Synonyms: Libritabs, Librium |
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| chlorhexidine | (noun) a long-lasting liquid antiseptic; used by surgeons to wash their hands before performing surgery | - |
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| coaxial | (adjective) having a common axis | Synonyms: coaxal |
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| coaxing | (adjective) pleasingly persuasive or intended to persuade | Synonyms: ingratiatory |
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| (noun) flattery designed to gain favor | Synonyms: blarney, soft soap, sweet talk |
| coaxingly | (adverb) in a cajoling manner | Synonyms: cajolingly |
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| coexist | (verb) exist together | Synonyms: cohabit |
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| (verb) coexist peacefully, as of nations | - |
| coexistence | (noun) existing peacefully together | - |
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| coexistent | (adjective) existing at the same time | Synonyms: coexisting |
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| coexisting | (adjective) existing at the same time | Synonyms: coexistent |
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| complexifier | (noun) someone makes things complex | - |
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| complexify | (verb) make complex | - |
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| (verb) have or develop complicating consequences | Synonyms: ramify |
| complexion | (noun) the coloring of a person's face | Synonyms: skin color, skin colour |
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| (noun) (obsolete) a combination of elements (of dryness and warmth or of the four humors) that was once believed to determine a person's health and temperament | - |
| (noun) texture and appearance of the skin of the face | - |
| (noun) a point of view or general attitude or inclination | - |
| (noun) a combination that results from coupling or interlinking | - |
| (verb) give a certain color to | - |
| complexity | (noun) the quality of being intricate and compounded | Synonyms: complexness |
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| connexion | (noun) the act of bringing two things into contact (especially for communication) | Synonyms: connection, joining |
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| (noun) shifting from one form of transportation to another | Synonyms: connection |
| (noun) an instrumentality that connects | Synonyms: connecter, connection, connective, connector |
| (noun) the process of bringing ideas or events together in memory or imagination | Synonyms: association, connection |
| (noun) a relation between things or events (as in the case of one causing the other or sharing features with it) | Synonyms: connectedness, connection |
| (noun) a connecting shape | Synonyms: connection, link |
| convexity | (noun) the property possessed by a convex shape | Synonyms: convexness |
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| (noun) a shape that curves or bulges outward | Synonyms: convex shape |
| crucifixion | (noun) the act of executing by a method widespread in the ancient world; the victim's hands and feet are bound or nailed to a cross | - |
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| (noun) the infliction of extremely painful punishment or suffering | Synonyms: excruciation |
| cytotoxic | (adjective) of or relating to substances that are toxic to cells | - |
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