| aeciospore | (noun) spore of a rust fungus formed in an aecium | - |
|---|
| aerospace | (noun) the atmosphere and outer space considered as a whole | - |
|---|
| airspace | (noun) the atmosphere above a nation that is deemed to be under its jurisdiction | - |
|---|
| (noun) the space in the atmosphere immediately above the earth | Synonyms: air space |
| airspeed | (noun) the speed of an aircraft relative to the air in which it is flying | - |
|---|
| allspice | (noun) ground dried berrylike fruit of a West Indian allspice tree; suggesting combined flavors of cinnamon and nutmeg and cloves | - |
|---|
| (noun) aromatic West Indian tree that produces allspice berries | Synonyms: allspice tree, Pimenta dioica, pimento tree |
| (noun) deciduous shrubs having aromatic bark; eastern China; southwestern and eastern United States | - |
| anaspid | (noun) extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian | - |
|---|
| angiosperm | (noun) plants having seeds in a closed ovary | Synonyms: flowering plant |
|---|
| antiperspirant | (noun) an astringent substance applied to the skin to reduce perspiration | - |
|---|
| antispasmodic | (noun) a drug used to relieve or prevent spasms (especially of the smooth muscles) | Synonyms: antispasmodic agent, spasmolytic |
|---|
| archespore | (noun) primitive cell or group of cells from which a mother cell develops | Synonyms: archesporium |
|---|
| archesporium | (noun) primitive cell or group of cells from which a mother cell develops | Synonyms: archespore |
|---|
| arthrospore | (noun) one of a string of thick walled vegetative resting cells formed by some algae and fungi | - |
|---|
| (noun) a body that resembles a spore but is not an endospore; produced by some bacteria | - |
| ascospore | (noun) sexually produced fungal spore formed within an ascus | - |
|---|
| asp | (noun) of southern Europe; similar to but smaller than the adder | Synonyms: asp viper, Vipera aspis |
|---|
| (noun) cobra used by the Pharaohs as a symbol of their power over life and death | Synonyms: Egyptian cobra, Naja haje |
| asparaginase | (noun) antineoplastic drug (trade name Elspar) sometimes used to treat lymphoblastic leukemia | Synonyms: Elspar |
|---|
| asparagine | (noun) a crystalline amino acid found in proteins and in many plants (e.g., asparagus) | - |
|---|
| asparagus | (noun) edible young shoots of the asparagus plant | - |
|---|
| (noun) plant whose succulent young shoots are cooked and eaten as a vegetable | Synonyms: Asparagus officinales, edible asparagus |
| aspartame | (noun) an artificial sweetener made from aspartic acid; used as a calorie-free sweetener | - |
|---|
| aspect | (noun) the feelings expressed on a person's face | Synonyms: expression, face, facial expression, look |
|---|
| (noun) a characteristic to be considered | - |
| (noun) a distinct feature or element in a problem | Synonyms: facet |
| (noun) the visual percept of a region | Synonyms: panorama, prospect, scene, view, vista |
| (noun) the beginning or duration or completion or repetition of the action of a verb | - |
| aspen | (noun) any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind | - |
|---|
| asper | (noun) 20 aspers equal 1 kurus in Turkey | - |
|---|
| aspergill | (noun) a short-handled device with a globe containing a sponge; used for sprinkling holy water | Synonyms: aspersorium |
|---|
| 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 |
| asperity | (noun) something hard to endure | Synonyms: grimness, hardship, rigor, rigorousness, rigour, rigourousness, severeness, severity |
|---|
| (noun) harshness of manner | Synonyms: sharpness |
| 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 |
| 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 |
| asphalt | (noun) a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons | Synonyms: mineral pitch |
|---|
| (noun) mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing | - |
| asphodel | (noun) any of various chiefly Mediterranean plants of the genera Asphodeline and Asphodelus having linear leaves and racemes of white or pink or yellow flowers | - |
|---|
| 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 | - |
|---|
| asphyxiation | (noun) killing by depriving of oxygen | Synonyms: suffocation |
|---|
| (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 |
|---|
| aspic | (noun) savory jelly based on fish or meat stock used as a mold for meats or vegetables | - |
|---|
| aspidistra | (noun) evergreen perennial with large handsome basal leaves; grown primarily as a foliage houseplant | Synonyms: Aspidistra elatio, bar-room plant, cast-iron plant |
|---|
| aspirant | (noun) an ambitious and aspiring young person | Synonyms: aspirer, hopeful, wannabe, wannabee |
|---|
| aspirate | (noun) a consonant pronounced with aspiration | - |
|---|
| (noun) a speech sound having as an obvious concomitant an audible puff of breath, as initial stop consonants or initial h -sounds. | - |
| aspiration | (noun) the act of inhaling; the drawing in of air (or other gases) as in breathing | Synonyms: breathing in, inhalation, inspiration, intake |
|---|
| (noun) a will to succeed | - |
| (noun) a manner of articulation involving an audible release of breath | - |
| (noun) a cherished desire | Synonyms: ambition, dream |
| aspirator | (noun) a pump that draws air or another gas through a liquid | - |
|---|
| aspirer | (noun) an ambitious and aspiring young person | Synonyms: aspirant, hopeful, wannabe, wannabee |
|---|
| aspirin | (noun) the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets | Synonyms: acetylsalicylic acid, Bayer, Empirin, St. Joseph |
|---|
| asthenosphere | (noun) the lower layer of the crust | - |
|---|
| atmosphere | (noun) a distinctive but intangible quality surrounding a person or thing | Synonyms: air, aura |
|---|
| (noun) the mass of air surrounding the Earth | Synonyms: air |
| (noun) the envelope of gases surrounding any celestial body | - |
| (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: atm, standard atmosphere, standard pressure |
| (noun) the weather or climate at some place | Synonyms: atmospheric state |
| (noun) a particular environment or surrounding influence | Synonyms: ambiance, ambience |
| atmospherics | (noun) a crackling or hissing noise caused by electrical interference | Synonyms: atmospheric static, static |
|---|
| auspex | (noun) (ancient Rome) a religious official who interpreted omens to guide public policy | Synonyms: augur |
|---|
| auspice | (noun) a favorable omen | - |
|---|
| auspices | (noun) kindly endorsement and guidance | Synonyms: aegis, protection |
|---|
| auspiciousness | (noun) the favorable quality of strongly indicating a successful result | Synonyms: propitiousness |
|---|
| backspace | (noun) the typewriter key used for back spacing | Synonyms: backspace key, backspacer |
|---|
| backspacer | (noun) the typewriter key used for back spacing | Synonyms: backspace, backspace key |
|---|
| backspin | (noun) spin (usually of a moving ball) that retards or reverses the forward motion | - |
|---|
| basidiospore | (noun) a sexually produced fungal spore borne on a basidium | - |
|---|
| bathysphere | (noun) spherical deep diving apparatus (lowered by a cable) for underwater exploration | - |
|---|
| bedspread | (noun) decorative cover for a bed | Synonyms: bed cover, bed covering, bedcover, counterpane, spread |
|---|
| bedspring | (noun) (usually in the plural) one of the springs holding up the mattress of a bed | - |
|---|
| bicuspid | (noun) a tooth having two cusps or points; located between the incisors and the molars | Synonyms: premolar |
|---|
| biosphere | (noun) the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist | - |
|---|
| bispak | (noun) A sexually promiscuous Indonesian woman | - |
|---|
| blasphemer | (noun) a person who speaks disrespectfully of sacred things | - |
|---|
| blasphemy | (noun) blasphemous behavior; the act of depriving something of its sacred character | Synonyms: desecration, profanation, sacrilege |
|---|
| (noun) blasphemous language (expressing disrespect for God or for something sacred) | - |
| blastosphere | (noun) early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs | Synonyms: blastula |
|---|
| blepharospasm | (noun) spasm of the eyelid muscle resulting in closure of the eye | - |
|---|
| bondsperson | (noun) someone who signs a bond as surety for someone else | - |
|---|
| bowsprit | (noun) a spar projecting from the bow of a vessel | - |
|---|
| bronchospasm | (noun) a spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis | - |
|---|
| businesspeople | (noun) people who transact business (especially business executives) | Synonyms: business people |
|---|
| businessperson | (noun) a capitalist who engages in industrial commercial enterprise | Synonyms: bourgeois |
|---|
| buspirone | (noun) a drug (trade name BuSpar) designed specifically for anxiety | Synonyms: BuSpar |
|---|
| cardiospasm | (noun) a spasm of the cardiac sphincter (between the esophagus and the stomach); if the cardiac sphincter does not relax during swallowing the passage of food into the stomach is obstructed | - |
|---|
| carpospore | (noun) a nonmotile spore of red algae | - |
|---|
| caspase | (noun) any of a group of proteases that mediate apoptosis | - |
|---|
| cephalaspid | (noun) extinct jawless fish of the Devonian with armored head | Synonyms: osteostracan |
|---|
| cephalosporin | (noun) one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity | Synonyms: Mefoxin |
|---|
| cesspit | (noun) a covered cistern; waste water and sewage flow into it | Synonyms: cesspool, sink, sump |
|---|
| cesspool | (noun) a covered cistern; waste water and sewage flow into it | Synonyms: cesspit, sink, sump |
|---|
| chlamydospore | (noun) thick-walled asexual resting spore of certain fungi and algae | - |
|---|
| chromosphere | (noun) a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun | - |
|---|
| circumspection | (noun) the trait of being circumspect and prudent | Synonyms: caution |
|---|
| (noun) knowing how to avoid embarrassment or distress | Synonyms: discreetness, discretion, prudence |
| clasp | (noun) the act of grasping | Synonyms: clench, clutch, clutches, grasp, grip, hold |
|---|
| (noun) a fastener (as a buckle or hook) that is used to hold two things together | - |
| clothespin | (noun) wood or plastic fastener; for holding clothes on a clothesline | Synonyms: clothes peg, clothes pin |
|---|
| clothespress | (noun) a closet where clothes are stored | Synonyms: clothes closet |
|---|
| cockspur | (noun) small spiny West Indian tree | Synonyms: Pisonia aculeata |
|---|
| (noun) widely grown stout Old World hay and pasture grass | Synonyms: cocksfoot, Dactylis glomerata, orchard grass |
| coconspirator | (noun) a member of a conspiracy | Synonyms: conspirator, machinator, plotter |
|---|
| conidiospore | (noun) an asexually produced fungal spore formed on a conidiophore | Synonyms: conidium |
|---|
| conspecific | (noun) an organism belonging to the same species as another organism | - |
|---|
| conspectus | (noun) an overall summary | - |
|---|
| conspicuousness | (noun) high visibility | - |
|---|
| (noun) the state of being conspicuous | - |
| conspiracy | (noun) a plot to carry out some harmful or illegal act (especially a political plot) | Synonyms: cabal |
|---|
| (noun) a secret agreement between two or more people to perform an unlawful act | Synonyms: confederacy |
| (noun) a group of conspirators banded together to achieve some harmful or illegal purpose | Synonyms: confederacy |
| conspirator | (noun) a member of a conspiracy | Synonyms: coconspirator, machinator, plotter |
|---|
| corespondent | (noun) the codefendant charged with adultery with the estranged spouse in a divorce proceeding | Synonyms: co-respondent |
|---|
| correspondence | (noun) similarity by virtue of corresponding | Synonyms: parallelism |
|---|
| (noun) compatibility of observations | Synonyms: agreement |
| (noun) (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane | Synonyms: balance, symmetricalness, symmetry |
| (noun) communication by the exchange of letters | - |
| (noun) the relation of corresponding in degree or size or amount | Synonyms: commensurateness, proportionateness |
| correspondent | (noun) someone who communicates by means of letters | Synonyms: letter writer |
|---|
| (noun) a journalist employed to provide news stories for newspapers or broadcast media | Synonyms: newswriter |
| cosplayer | (noun) Someone who wears a costume from a comic book or similar media | - |
|---|
| counterespionage | (noun) spying on the spies | - |
|---|
| counterspy | (noun) a spy who works against enemy espionage | Synonyms: mole |
|---|
| crawlspace | (noun) low space beneath a floor of a building; gives workers access to wiring or plumbing | Synonyms: crawl space |
|---|
| crisp | (noun) a thin crisp slice of potato fried in deep fat | Synonyms: chip, potato chip, Saratoga chip |
|---|
| crispiness | (noun) firm but easily broken | Synonyms: brittleness, crispness |
|---|
| crispness | (noun) firm but easily broken | Synonyms: brittleness, crispiness |
|---|
| (noun) a pleasing firmness and freshness | - |
| (noun) an expressive style that is direct and to the point | - |
| crosspatch | (noun) a bad-tempered person | Synonyms: churl, crank, grouch, grump |
|---|
| crosspiece | (noun) a transverse brace | - |
|---|
| (noun) a horizontal beam that extends across something | Synonyms: crossbeam, trave, traverse |
| cusp | (noun) point formed by two intersecting arcs (as from the intrados of a Gothic arch) | - |
|---|
| (noun) small elevation on the grinding surface of a tooth | - |
| (noun) a thin triangular flap of a heart valve | Synonyms: leaflet |