| andesite | (noun) a dark grey volcanic rock | - |
|---|
| 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 |
|---|
| androglossia | (noun) a woman's voice with male qualities | - |
|---|
| anesthesia | (noun) loss of bodily sensation with or without loss of consciousness | Synonyms: anaesthesia |
|---|
| anesthesiologist | (noun) a specialist who administers an anesthetic to a patient before he is treated | Synonyms: anaesthetist, anesthetist |
|---|
| anesthesiology | (noun) the branch of medical science that studies and applies anesthetics | - |
|---|
| angiogenesis | (noun) the formation of new blood vessels | - |
|---|
| angiotelectasia | (noun) dilation and enlargement of arterioles | - |
|---|
| angiotensin | (noun) any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels | Synonyms: angiotonin, Hypertensin |
|---|
| anhidrosis | (noun) failure of the sweat glands | Synonyms: anhydrosis |
|---|
| anhydrosis | (noun) failure of the sweat glands | Synonyms: anhidrosis |
|---|
| animadversion | (noun) harsh criticism or disapproval | Synonyms: censure |
|---|
| animosity | (noun) a feeling of ill will arousing active hostility | Synonyms: animus, bad blood |
|---|
| ankyloglossia | (noun) a congenital anomaly in which the mucous membrane under the tongue is too short limiting the mobility of the tongue | Synonyms: tongue tie |
|---|
| ankylosis | (noun) abnormal adhesion and rigidity of the bones of a joint | Synonyms: anchylosis |
|---|
| anthesis | (noun) the time and process of budding and unfolding of blossoms | Synonyms: blossoming, efflorescence, florescence, flowering, inflorescence |
|---|
| anthracosis | (noun) lung disease caused by inhaling coal dust | Synonyms: black lung, black lung disease, coal miner's lung |
|---|
| anthropogenesis | (noun) the evolution or genesis of the human race | Synonyms: anthropogeny |
|---|
| antialiasing | (noun) (computer graphics) a technique that is used to smooth jagged distortions in curves and diagonal lines so they appear smoother | - |
|---|
| antibiosis | (noun) an association between organisms that is harmful to one of them or between organisms and a metabolic product of another | - |
|---|
| antihypertensive | (noun) a drug that reduces high blood pressure | Synonyms: antihypertensive drug |
|---|
| 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". | - |
|---|
| antinomasia | (noun) substitution of a title for a name | - |
|---|
| antiphrasis | (noun) the use of a word in a sense opposite to its normal sense (especially in irony) | - |
|---|
| antipyresis | (noun) medication with antipyretics to treat a fever | - |
|---|
| antiredeposition | (noun) the process of preventing redeposition | - |
|---|
| antisepsis | (noun) the process of inhibiting the growth and multiplication of microorganisms | Synonyms: asepsis |
|---|
| (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 | - |
|---|
| (noun) exact opposite | - |
| antitussive | (noun) any medicine used to suppress or relieve coughing | - |
|---|
| anuresis | (noun) inability to urinate | Synonyms: anuria |
|---|
| aphaeresis | (noun) (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until' | Synonyms: apheresis |
|---|
| aphasia | (noun) inability to use or understand language (spoken or written) because of a brain lesion | - |
|---|
| aphasic | (noun) someone affected by aphasia or inability to use or understand language | - |
|---|
| 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 |
|---|
| (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' | - |
|---|
| aphrodisia | (noun) a desire for heterosexual intimacy | - |
|---|
| aphrodisiac | (noun) a drug or other agent that stimulates sexual desire | - |
|---|
| aplasia | (noun) failure of some tissue or organ to develop | - |
|---|
| apoapsis | (noun) (astronomy) the point in an orbit farthest from the body being orbited | Synonyms: point of apoapsis |
|---|
| aponeurosis | (noun) any of the deeper and thicker fascia that attach muscles to bones; resemble flattened tendons | - |
|---|
| apophasis | (noun) mentioning something by saying it will not be mentioned | - |
|---|
| apophysis | (noun) (anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra | - |
|---|
| (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 |
|---|
| aposiopesis | (noun) breaking off in the middle of a sentence (as by writers of realistic conversations) | - |
|---|
| apotheosis | (noun) the elevation of a person (as to the status of a god) | Synonyms: deification, exaltation |
|---|
| (noun) model of excellence or perfection of a kind; one having no equal | Synonyms: ideal, nonesuch, nonpareil, nonsuch, paragon, saint |
| appetisingness | (noun) the property of stimulating the appetite | Synonyms: appetizingness |
|---|
| appositeness | (noun) appropriateness for the occasion | Synonyms: aptness |
|---|
| apposition | (noun) the act of positioning close together (or side by side) | Synonyms: collocation, juxtaposition |
|---|
| (noun) (biology) growth in the thickness of a cell wall by the deposit of successive layers of material | - |
| (noun) a grammatical relation between a word and a noun phrase that follows | - |
| apprehension | (noun) the act of apprehending (especially apprehending a criminal) | Synonyms: arrest, catch, collar, pinch, taking into custody |
|---|
| (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 |
|---|
| 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 |
|---|
| arccosine | (noun) the inverse function of the cosine; the angle that has a cosine equal to a given number | Synonyms: arc cosine, arccos, inverse cosine |
|---|
| arcsin | (noun) the inverse function of the sine; the angle that has a sine equal to a given number | Synonyms: arc sine, arcsine, inverse sine |
|---|
| arcsine | (noun) the inverse function of the sine; the angle that has a sine equal to a given number | Synonyms: arc sine, arcsin, inverse sine |
|---|
| argasid | (noun) tick lacking a dorsal shield and having mouth parts on the under side of the head | Synonyms: soft tick |
|---|
| arsine | (noun) a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare | - |
|---|
| artemisia | (noun) any of various composite shrubs or herbs of the genus Artemisia having aromatic green or greyish foliage | - |
|---|
| arteriectasia | (noun) an abnormal distension of an artery | Synonyms: arteriectasis |
|---|
| arteriectasis | (noun) an abnormal distension of an artery | Synonyms: arteriectasia |
|---|
| arteriolosclerosis | (noun) sclerosis of the arterioles | - |
|---|
| arteriosclerosis | (noun) sclerosis of the arterial walls | Synonyms: arterial sclerosis, coronary-artery disease, hardening of the arteries, induration of the arteries |
|---|
| arthrocentesis | (noun) removal of fluid from a joint by centesis | - |
|---|
| arthrodesis | (noun) the surgical fixation of a joint which is intended to result in bone fusion | - |
|---|
| asbestosis | (noun) lung disease caused by inhaling asbestos particles | - |
|---|
| ascariasis | (noun) infestation of the human intestine with Ascaris roundworms | - |
|---|
| ascension | (noun) the act of changing location in an upward direction | Synonyms: ascending, ascent, rise |
|---|
| (noun) a movement upward; rise above the ground | Synonyms: ascent, rise, rising |
| (noun) (astronomy) the rising of a star above the horizon | - |
| ascesis | (noun) rigorous self-denial and active self-restraint | Synonyms: asceticism |
|---|
| asepsis | (noun) the process of inhibiting the growth and multiplication of microorganisms | Synonyms: antisepsis |
|---|
| (noun) (of non-living objects) the state of being free of pathogenic organisms | Synonyms: antisepsis, sterileness, sterility |
| aside | (noun) a line spoken by an actor to the audience but not intended for others on the stage | - |
|---|
| (noun) a message that departs from the main subject | Synonyms: digression, divagation, excursus, parenthesis |
| asininity | (noun) the quality of being asinine; stupidity combined with stubbornness | - |
|---|
| aspergillosis | (noun) an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs | - |
|---|
| (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 |
| aspersion | (noun) an abusive attack on a person's character or good name | Synonyms: calumny, defamation, denigration, slander |
|---|
| (noun) the act of sprinkling water in baptism (rare) | Synonyms: sprinkling |
| (noun) a disparaging remark | Synonyms: slur |
| assassin | (noun) a murderer (especially one who kills a prominent political figure) who kills by a surprise attack and often is hired to do the deed | Synonyms: assassinator, bravo |
|---|
| (noun) a member of a secret order of Muslims (founded in the 12th century) who terrorized and killed Christian Crusaders | - |
| assassination | (noun) murder of a public figure by surprise attack | - |
|---|
| (noun) an attack intended to ruin someone's reputation | Synonyms: blackwash, character assassination |
| assassinator | (noun) a murderer (especially one who kills a prominent political figure) who kills by a surprise attack and often is hired to do the deed | Synonyms: assassin, bravo |
|---|
| assibilation | (noun) pronunciation with a sibilant (hissing or whistling) sound | Synonyms: sibilation |
|---|
| (noun) the development of a consonant phoneme into a sibilant | - |
| assiduity | (noun) great and constant diligence and attention | Synonyms: assiduousness, concentration |
|---|
| assiduousness | (noun) great and constant diligence and attention | Synonyms: assiduity, concentration |
|---|
| assignation | (noun) a secret rendezvous (especially between lovers) | Synonyms: tryst |
|---|
| (noun) the act of distributing by allotting or apportioning; distribution according to a plan | Synonyms: allocation, allotment, apportioning, apportionment, parceling, parcelling |
| assignee | (noun) (law) the party to whom something is assigned (e.g., someone to whom a right or property is legally transferred) | - |
|---|
| assigning | (noun) the act of distributing something to designated places or persons | Synonyms: assignment |
|---|
| assignment | (noun) a duty that you are assigned to perform (especially in the armed forces) | Synonyms: duty assignment |
|---|
| (noun) the act of putting a person into a non-elective position | Synonyms: appointment, designation, naming |
| (noun) the act of distributing something to designated places or persons | Synonyms: assigning |
| (noun) an undertaking that you have been assigned to do (as by an instructor) | - |
| (noun) the instrument by which a claim or right or interest or property is transferred from one person to another | - |
| (noun) (law) a transfer of property by deed of conveyance | Synonyms: grant |
| assignor | (noun) (law) the party who makes an assignment | - |
|---|
| assimilability | (noun) Capability of being taken in and utilized as nourishment. | - |
|---|
| assimilation | (noun) in the theories of Jean Piaget: the application of a general schema to a particular instance | - |
|---|
| (noun) the process of assimilating new ideas into an existing cognitive structure | Synonyms: acculturation |
| (noun) a linguistic process by which a sound becomes similar to an adjacent sound | - |
| (noun) the process of absorbing nutrients into the body after digestion | Synonyms: absorption |
| (noun) the social process of absorbing one cultural group into harmony with another | Synonyms: absorption |
| (noun) the state of being assimilated; people of different backgrounds come to see themselves as part of a larger national family | - |
| assimilator | (noun) someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs | Synonyms: learner, scholar, student |
|---|
| assist | (noun) (sports) the act of enabling another player to make a good play | - |
|---|
| (noun) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: aid, assistance, help |
| assistance | (noun) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: aid, assist, help |
|---|
| (noun) a person or thing that is a resource that helps make something easier or possible to do | Synonyms: aid, help |
| (noun) gift of money or other material help to support a person or cause | Synonyms: aid, economic aid, economic assistance, financial aid, financial assistance |
| assistant | (noun) a person who contributes to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: help, helper, supporter |
|---|
| assize | (noun) an ancient writ issued by a court of assize to the sheriff for the recovery of property | - |
|---|
| (noun) the regulation of weights and measures of articles offered for sale | - |
| assizes | (noun) the county courts of England (replaced in 1971 by Crown courts) | Synonyms: court of assize, court of assize and nisi prius |
|---|
| astasia | (noun) inability to stand due to muscular incoordination | - |
|---|
| astereognosis | (noun) a loss of the ability to recognize objects by handling them | Synonyms: tactile agnosia |
|---|
| astrophysicist | (noun) an astronomer who studies the physical properties of celestial bodies | - |
|---|
| astrophysics | (noun) the branch of astronomy concerned with the physical and chemical properties of celestial bodies | - |
|---|
| atelectasis | (noun) collapse of an expanded lung (especially in infants); also failure of pulmonary alveoli to expand at birth | - |
|---|
| ateleiosis | (noun) a form of infantilism characterized by physical underdevelopment but normal intelligence | Synonyms: ateliosis |
|---|
| ateliosis | (noun) a form of infantilism characterized by physical underdevelopment but normal intelligence | Synonyms: ateleiosis |
|---|
| atherogenesis | (noun) the formation of atheromas on the walls of the arteries as in atherosclerosis | - |
|---|
| atherosclerosis | (noun) a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries | Synonyms: coronary artery disease |
|---|