| anonym | (noun) a fictitious name used when the person performs a particular social role | Synonyms: nom de guerre, pseudonym |
|---|
| anorchidism | (noun) absence of one of both testes | Synonyms: anorchia, anorchism |
|---|
| anorchism | (noun) absence of one of both testes | Synonyms: anorchia, anorchidism |
|---|
| antagonism | (noun) (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure | - |
|---|
| (noun) an actively expressed feeling of dislike and hostility | - |
| (noun) the relation between opposing principles or forces or factors | - |
| (noun) a state of deep-seated ill-will | Synonyms: enmity, hostility |
| antebellum | (adjective) belonging to a period before a war especially the American Civil War | - |
|---|
| antemortem | (adjective) preceding death | - |
|---|
| antepartum | (adjective) occurring or existing before birth | Synonyms: antenatal, prenatal |
|---|
| anteroom | (noun) a large entrance or reception room or area | Synonyms: antechamber, entrance hall, foyer, hall, lobby, vestibule |
|---|
| anthem | (noun) a song of praise (to God or to a saint or to a nation) | Synonyms: hymn |
|---|
| (noun) a song of devotion or loyalty (as to a nation or school) | - |
| antheridium | (noun) the male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers | - |
|---|
| anthropocentrism | (noun) an inclination to evaluate reality exclusively in terms of human values | Synonyms: anthropocentricity |
|---|
| anthropologism | (noun) a point of view in which human nature is exhaustively determined by the culture in which a person lives, leaving no room for human agency. | - |
|---|
| anthropomorphism | (noun) the representation of objects (especially a god) as having human form or traits | Synonyms: theanthropism |
|---|
| anthropopathism | (noun) Attribution of human feelings to things not human, such as inanimate objects, animals, or natural phenomena. | - |
|---|
| anthurium | (noun) any of various tropical American plants cultivated for their showy foliage and flowers | Synonyms: tail-flower, tailflower |
|---|
| antiestablishmentarianism | (noun) the doctrine of opposition to the social and political establishment | Synonyms: antiestablishmentism |
|---|
| antiestablishmentism | (noun) the doctrine of opposition to the social and political establishment | Synonyms: antiestablishmentarianism |
|---|
| antifeminism | (noun) activity indicative of belief in the superiority of men over women | Synonyms: chauvinism, male chauvinism |
|---|
| antiferromagnetism | (noun) magnetic field creates parallel but opposing spins; varies with temperature | - |
|---|
| antigram | (noun) an anagram that means the opposite of the original word or phrase | - |
|---|
| antilogarithm | (noun) the number of which a given number is the logarithm | Synonyms: antilog |
|---|
| antilogism | (noun) an inconsistent triad of propositions in logic of which two are premises of a valid syllogism while the third is the contradictory of its conclusion. | - |
|---|
| antinomianism | (noun) the theological doctrine that by faith and God's grace a Christian is freed from all laws (including the moral standards of the culture) | - |
|---|
| antisemitism | (noun) the intense dislike for and prejudice against Jewish people | Synonyms: anti-Semitism |
|---|
| antiserum | (noun) blood serum containing antibodies against specific antigens; provides immunity to a disease | - |
|---|
| antonym | (noun) a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other | Synonyms: opposite, opposite word |
|---|
| antrum | (noun) a natural cavity or hollow in a bone | - |
|---|
| aphorism | (noun) a short pithy instructive saying | Synonyms: apophthegm, apothegm |
|---|
| apoliticism | (noun) Apathy and/or antipathy towards all political affiliations. | - |
|---|
| apophatism | (noun) the religious belief that God cannot be known but is completely `other' and must be described in negative terms (in terms of what God is not) | - |
|---|
| apophthegm | (noun) a short pithy instructive saying | Synonyms: aphorism, apothegm |
|---|
| apoplectiform | (adjective) resembling apoplexy | Synonyms: apoplectoid |
|---|
| apothecium | (noun) a cuplike ascocarp in many lichens and ascomycetous fungi | - |
|---|
| apothegm | (noun) a short pithy instructive saying | Synonyms: aphorism, apophthegm |
|---|
| 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. | - |
|---|
| aquarium | (noun) a tank or pool or bowl filled with water for keeping live fish and underwater animals | Synonyms: fish tank, marine museum |
|---|
| arboretum | (noun) a facility where trees and shrubs are cultivated for exhibition | Synonyms: botanical garden |
|---|
| arboriform | (adjective) resembling a tree in form and branching structure | Synonyms: arboreal, arboreous, arborescent, arboresque, dendriform, dendroid, dendroidal, tree-shaped, treelike |
|---|
| arcanum | (noun) information known only to a special group | Synonyms: secret |
|---|
| archaebacterium | (noun) considered ancient life forms that evolved separately from bacteria and blue-green algae | Synonyms: archaebacteria, archaeobacteria, archeobacteria |
|---|
| archaicism | (noun) the use of an archaic expression | Synonyms: archaism |
|---|
| archaism | (noun) the use of an archaic expression | Synonyms: archaicism |
|---|
| archegonium | (noun) a female sex organ occurring in mosses, ferns, and most gymnosperms | - |
|---|
| archesporium | (noun) primitive cell or group of cells from which a mother cell develops | Synonyms: archespore |
|---|
| archipallium | (noun) the olfactory cortex of the cerebrum | Synonyms: paleocortex |
|---|
| arciform | (adjective) forming or resembling an arch | Synonyms: arced, arched, arching, arcuate, bowed |
|---|
| aristocratism | (noun) the principles, practices or characteristics of aristocracy. | - |
|---|
| arm | (noun) the part of a garment that is attached at the armhole and that provides a cloth covering for the arm | Synonyms: sleeve |
|---|
| (noun) any instrument or instrumentality used in fighting or hunting | Synonyms: weapon, weapon system |
| (noun) the part of an armchair or sofa that supports the elbow and forearm of a seated person | - |
| (noun) any projection that is thought to resemble a human arm | Synonyms: branch, limb |
| (noun) a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb | - |
| (noun) a division of some larger or more complex organization | Synonyms: branch, subdivision |
| (verb) prepare oneself for a military confrontation | Synonyms: build up, fortify, gird |
| (verb) supply with arms | - |
| armamentarium | (noun) the collection of equipment and methods used in the practice of medicine | - |
|---|
| armyworm | (noun) moth whose destructive larvae travel in multitudes | Synonyms: Pseudaletia unipuncta |
|---|
| (noun) noctuid moth larvae that travel in multitudes destroying especially grass and grain | Synonyms: army worm, Pseudaletia unipuncta |
| (noun) larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted | - |
| arrowworm | (noun) any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth | Synonyms: chaetognath |
|---|
| arteriogram | (noun) an X ray of an artery filled with a contrast medium | - |
|---|
| arthrogram | (noun) an X ray of a joint after the injection of a contrast medium | - |
|---|
| artificialism | (noun) Czech surrealism founded in 1928 by Jindrich Styrsky and Toyen (Marie Cerminova). | - |
|---|
| arum | (noun) any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe | Synonyms: aroid |
|---|
| (noun) starch resembling sago that is obtained from cuckoopint root | - |
| asceticism | (noun) rigorous self-denial and active self-restraint | Synonyms: ascesis |
|---|
| (noun) the trait of great self-denial (especially refraining from worldly pleasures) | Synonyms: austerity, nonindulgence |
| (noun) the doctrine that through renunciation of worldly pleasures it is possible to achieve a high spiritual or intellectual state | - |
| ashram | (noun) (India) a place of religious retreat for Hindus | - |
|---|
| (noun) a place of religious retreat modeled after the Indian ashram | - |
| aspersorium | (noun) the basin or other vessel that holds holy water in Roman Catholic Churches | - |
|---|
| (noun) a short-handled device with a globe containing a sponge; used for sprinkling holy water | Synonyms: aspergill |
| associationism | (noun) (psychology) a theory that association is the basic principle of mental activity | Synonyms: association theory |
|---|
| asterism | (noun) (astronomy) a cluster of stars (or a small constellation) | - |
|---|
| (noun) (mineralogy) a star-shaped figure with six rays that is seen in some crystal structures under reflected or transmitted light | - |
| astigmatism | (noun) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point | Synonyms: astigmia |
|---|
| (noun) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people | Synonyms: astigmia |
| asylum | (noun) a hospital for mentally incompetent or unbalanced person | Synonyms: insane asylum, institution, mental home, mental hospital, mental institution, psychiatric hospital |
|---|
| (noun) a shelter from danger or hardship | Synonyms: refuge, sanctuary |
| asynchronism | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchrony, desynchronisation, desynchronization, desynchronizing |
|---|
| asynclitism | (noun) the presentation during labor of the head of the fetus at an abnormal angle | Synonyms: obliquity |
|---|
| atavism | (noun) a reappearance of an earlier characteristic | Synonyms: reversion, throwback |
|---|
| atheism | (noun) a lack of belief in the existence of God or gods | - |
|---|
| athenaeum | (noun) a place where reading materials are available | Synonyms: atheneum |
|---|
| (noun) a literary or scientific association for the promotion of learning | Synonyms: atheneum |
| atheneum | (noun) a place where reading materials are available | Synonyms: athenaeum |
|---|
| (noun) a literary or scientific association for the promotion of learning | Synonyms: athenaeum |
| athleticism | (noun) intense energy | Synonyms: strenuosity |
|---|
| atm | (noun) a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade | Synonyms: atmosphere, standard atmosphere, standard pressure |
|---|
| atom | (noun) (physics and chemistry) the smallest component of an element having the chemical properties of the element | - |
|---|
| (noun) (nontechnical usage) a tiny piece of anything | Synonyms: corpuscle, molecule, mote, particle, speck |
| atomism | (noun) (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles | Synonyms: atomic theory, atomist theory, atomistic theory |
|---|
| (noun) (psychology) a theory that reduces all mental phenomena to simple elements (sensations and feelings) that form complex ideas by association | - |
| atonalism | (noun) the absence of a key; alternative to the diatonic system | Synonyms: atonality |
|---|
| atrium | (noun) the central area in a building; open to the sky | - |
|---|
| (noun) any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart) | - |
| audiogram | (noun) a graphical representation of a person's auditory sensitivity to sound | - |
|---|
| auditorium | (noun) the area of a theater or concert hall where the audience sits | - |
|---|
| auriform | (adjective) having a shape resembling an ear | Synonyms: ear-like, ear-shaped |
|---|
| authoritarianism | (noun) a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.) | Synonyms: absolutism, Caesarism, despotism, dictatorship, monocracy, one-man rule, shogunate, Stalinism, totalitarianism, tyranny |
|---|
| autism | (noun) (psychiatry) an abnormal absorption with the self; marked by communication disorders and short attention span and inability to treat others as people | - |
|---|
| autoalarm | (noun) a radio receiving device used on ships that rings an alarm bell when a distress signal is received. | Synonyms: auto-alarm |
|---|
| autoeroticism | (noun) using your own body as a sexual object | Synonyms: autoerotism |
|---|
| autoerotism | (noun) using your own body as a sexual object | Synonyms: autoeroticism |
|---|
| automatism | (noun) any reaction that occurs automatically without conscious thought or reflection (especially the undirected behavior seen in psychomotor epilepsy) | - |
|---|
| autotelism | (noun) belief that a work of art is an end in itself or its own justification | - |
|---|
| avaram | (noun) evergreen Indian shrub with vivid yellow flowers whose bark is used in tanning; sometimes placed in genus Cassia | Synonyms: Cassia auriculata, Senna auriculata, tanner's cassia |
|---|
| axiom | (noun) a saying that is widely accepted on its own merits | Synonyms: maxim |
|---|
| (noun) (logic) a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident | - |
| aztreonam | (noun) an antibiotic (trade name Azactam) used against severe infections; has minimal side effects | Synonyms: Azactam |
|---|
| babygram | (noun) an X-ray of the entire body of an infant. | - |
|---|
| bacilliform | (adjective) formed like a bacillus | Synonyms: bacillar, bacillary, baculiform, rod-shaped |
|---|
| backroom | (noun) the meeting place of a group of leaders who make their decisions via private negotiations | - |
|---|
| bacterium | (noun) (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants | Synonyms: bacteria |
|---|
| baculiform | (adjective) formed like a bacillus | Synonyms: bacillar, bacillary, bacilliform, rod-shaped |
|---|
| ballistocardiogram | (noun) a graphical recording made by a ballistocardiograph | - |
|---|
| ballroom | (noun) large room used mainly for dancing | Synonyms: dance hall, dance palace |
|---|
| balm | (noun) semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation | Synonyms: ointment, salve, unction, unguent |
|---|
| (noun) any of various aromatic resinous substances used for healing and soothing | - |
| balsam | (noun) an ointment containing a fragrant resin | - |
|---|
| (noun) any seed plant yielding balsam | - |
| (noun) any of various fragrant oleoresins used in medicines and perfumes | - |
| bam | (noun) a sudden very loud noise | Synonyms: bang, blast, clap, eruption |
|---|
| bantam | (adjective) very small | Synonyms: diminutive, flyspeck, lilliputian, midget, petite, tiny |
|---|
| (noun) any of various small breeds of fowl | - |
| baptism | (noun) a Christian sacrament signifying spiritual cleansing and rebirth | - |
|---|
| barbarism | (noun) a brutal barbarous savage act | Synonyms: barbarity, brutality, savagery |
|---|