aircraftman | (noun) a noncommissioned officer in the British Royal Air Force | Synonyms: aircraftsman |
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aircraftsman | (noun) a noncommissioned officer in the British Royal Air Force | Synonyms: aircraftman |
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aircrew | (noun) the crew of an aircraft | Synonyms: air crew |
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aircrewman | (noun) a member of an aircrew | - |
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airdock | (noun) a large structure at an airport where aircraft can be stored and maintained | Synonyms: hangar, repair shed |
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airdrome | (noun) an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo | Synonyms: aerodrome, airport, drome |
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airdrop | (noun) delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft | - |
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airfare | (noun) the fare charged for traveling by airplane | - |
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airfield | (noun) a place where planes take off and land | Synonyms: field, flying field, landing field |
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airflow | (noun) the flow of air | Synonyms: air flow, flow of air |
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airfoil | (noun) a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | Synonyms: aerofoil, control surface, surface |
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airforce | (noun) the airborne branch of a country's armed forces | Synonyms: air force |
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airframe | (noun) the framework and covering of an airplane or rocket (excluding the engines) | - |
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airgun | (noun) a gun that propels a projectile by compressed air | Synonyms: air gun, air rifle |
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airhead | (noun) a bridgehead seized by airborne troops | - |
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(noun) a flighty scatterbrained simpleton | - |
airiness | (noun) the property of something weightless and insubstantial | Synonyms: buoyancy |
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(noun) the property of something spacious and abounding in fresh air | - |
(noun) lightness in movement or manner | Synonyms: delicacy |
airing | (noun) the act of supplying fresh air and getting rid of foul air | Synonyms: ventilation |
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(noun) a short excursion (a walk or ride) in the open air | - |
(noun) the opening of a subject to widespread discussion and debate | Synonyms: dissemination, public exposure, spreading |
airlift | (noun) transportation of people or goods by air (especially when other means of access are unavailable) | Synonyms: lift |
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airline | (noun) a commercial enterprise that provides scheduled flights for passengers | Synonyms: airline business, airway |
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(noun) a hose that carries air under pressure | Synonyms: air hose |
airliner | (noun) a commercial airplane that carries passengers | - |
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airlock | (noun) a chamber that provides access to space where air is under pressure | Synonyms: air lock |
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airmail | (noun) a system of conveying mail by aircraft | Synonyms: airpost |
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(noun) letters and packages that are transported by aircraft | - |
airmailer | (noun) a mailer for airmail | - |
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airman | (noun) a male who operates an aircraft | - |
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airmanship | (noun) the art of operating aircraft | Synonyms: aviation |
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airplane | (noun) an aircraft that has a fixed wing and is powered by propellers or jets | Synonyms: aeroplane, plane |
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airport | (noun) an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo | Synonyms: aerodrome, airdrome, drome |
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airpost | (noun) a system of conveying mail by aircraft | Synonyms: airmail |
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airs | (noun) affected manners intended to impress others | Synonyms: pose |
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airscrew | (noun) a propeller that rotates to push against air | Synonyms: airplane propeller, prop |
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airship | (noun) a steerable self-propelled aircraft | Synonyms: dirigible |
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airsickness | (noun) motion sickness experienced while traveling by air (especially during turbulence) | Synonyms: air sickness |
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airspace | (noun) the atmosphere above a nation that is deemed to be under its jurisdiction | - |
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(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 | - |
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airstream | (noun) a relatively well-defined prevailing wind | - |
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(noun) the flow of air that is driven backwards by an aircraft propeller | Synonyms: backwash, race, slipstream, wash |
airstrip | (noun) an airfield without normal airport facilities | Synonyms: flight strip, landing strip, strip |
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airwave | (noun) medium for radio and television broadcasting | Synonyms: air |
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airway | (noun) a commercial enterprise that provides scheduled flights for passengers | Synonyms: airline, airline business |
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(noun) a duct that provides ventilation (as in mines) | Synonyms: air duct, air passage |
(noun) the passages through which air enters and leaves the body | Synonyms: respiratory tract |
(noun) a designated route followed by airplanes in flying from one airport to another | Synonyms: air lane, flight path, skyway |
airwoman | (noun) a woman aviator | Synonyms: aviatress, aviatrix |
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airworthiness | (noun) fitness to fly | - |
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akaryocyte | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: acaryote, akaryote |
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akaryote | (noun) a cell without a nucleus (as an erythrocyte) | Synonyms: acaryote, akaryocyte |
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alabaster | (noun) a very light white | - |
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(noun) a compact fine-textured, usually white gypsum used for carving | - |
(noun) a hard compact kind of calcite | Synonyms: Mexican onyx, onyx marble, oriental alabaster |
alacrity | (noun) liveliness and eagerness | Synonyms: briskness, smartness |
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alarm | (noun) a device that signals the occurrence of some undesirable event | Synonyms: alarm system, warning device |
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(noun) a clock that wakes a sleeper at some preset time | Synonyms: alarm clock |
(noun) an automatic signal (usually a sound) warning of danger | Synonyms: alarum, alert, warning signal |
(noun) fear resulting from the awareness of danger | Synonyms: consternation, dismay |
alarmism | (noun) needless warnings | - |
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alarmist | (noun) a person who alarms others needlessly | - |
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alarum | (noun) an automatic signal (usually a sound) warning of danger | Synonyms: alarm, alert, warning signal |
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alastrim | (noun) a mild form of smallpox caused by a less virulent form of the virus | Synonyms: Cuban itch, Kaffir pox, milk pox, pseudosmallpox, pseudovariola, variola minor, West Indian smallpox, white pox |
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albacore | (noun) large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters | Synonyms: long-fin tunny, Thunnus alalunga |
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(noun) relatively small tuna with choice white flesh; major source of canned tuna | - |
albatross | (noun) large web-footed birds of the Southern Hemisphere having long narrow wings; noted for powerful gliding flight | Synonyms: mollymawk |
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(noun) (figurative) something that hinders or handicaps | Synonyms: millstone |
albuminuria | (noun) the presence of excessive protein (chiefly albumin but also globulin) in the urine; usually a symptom of kidney disorder | Synonyms: proteinuria |
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albuterol | (noun) a bronchodilator (trade names Ventolin or Proventil) used for asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects are tachycardia and shakiness | Synonyms: Proventil, Ventolin |
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alcaptonuria | (noun) a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine | Synonyms: alkaptonuria |
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alcazar | (noun) any of various Spanish fortresses or palaces built by the Moors | - |
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alder | (noun) north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant | Synonyms: alder tree |
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(noun) wood of any of various alder trees; resistant to underwater rot; used for bridges etc | - |
alderfly | (noun) dark-colored insect having predaceous aquatic larvae | Synonyms: alder fly, Sialis lutaria |
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alderman | (noun) a member of a municipal legislative body (as a city council) | - |
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aldosterone | (noun) a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance | - |
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aldosteronism | (noun) a condition caused by overproduction of aldosterone | Synonyms: hyperaldosteronism |
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aldotetrose | (noun) A four-carbon aldose; for example, threose, erythrose. | - |
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aldotriose | (noun) Any aldose having three carbon atoms; in reality, just glyceraldehyde. | - |
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alendronate | (noun) a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause | Synonyms: Fosamax |
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alert | (noun) a warning serves to make you more alert to danger | Synonyms: alerting |
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(noun) an automatic signal (usually a sound) warning of danger | Synonyms: alarm, alarum, warning signal |
(noun) condition of heightened watchfulness or preparation for action | Synonyms: qui vive |
alerting | (noun) a warning serves to make you more alert to danger | Synonyms: alert |
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(noun) a state of readiness to respond | Synonyms: alertness |
alertness | (noun) lively attentiveness | Synonyms: on the qui vive, sharp-sightedness |
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(noun) the process of paying close and continuous attention | Synonyms: vigilance, wakefulness, watchfulness |
(noun) a state of readiness to respond | Synonyms: alerting |
aleurone | (noun) granular protein in outermost layer of endosperm of many seeds or cereal grains | - |
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alexandrite | (noun) a green variety of chrysoberyl used as a gemstone | - |
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alfilaria | (noun) European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage | Synonyms: alfileria, clocks, Erodium cicutarium, filaree, filaria, pin clover, pin grass, redstem storksbill |
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alfileria | (noun) European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage | Synonyms: alfilaria, clocks, Erodium cicutarium, filaree, filaria, pin clover, pin grass, redstem storksbill |
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algarobilla | (noun) mesquite pod used in tanning and dyeing | Synonyms: algarroba, algarrobilla |
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algarroba | (noun) evergreen Mediterranean tree with edible pods; the biblical carob | Synonyms: carob, carob bean tree, carob tree, Ceratonia siliqua |
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(noun) mesquite of Gulf Coast and Caribbean Islands from Mexico to Venezuela | Synonyms: Prosopis juliflora, Prosopis juliiflora |
(noun) long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute | Synonyms: algarroba bean, carob, carob bean, locust bean, locust pod |
(noun) mesquite pod used in tanning and dyeing | Synonyms: algarobilla, algarrobilla |
algarrobilla | (noun) mesquite pod used in tanning and dyeing | Synonyms: algarobilla, algarroba |
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algebra | (noun) the mathematics of generalized arithmetical operations | - |
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algebraist | (noun) a mathematician whose specialty is algebra | - |
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algometer | (noun) device for measuring pain caused by pressure | - |
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algometry | (noun) measuring sensitivity to pain or pressure | - |
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algorism | (noun) computation with Arabic figures | - |
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(noun) the Arabic (or decimal) system of numeration | - |
algorithm | (noun) a precise rule (or set of rules) specifying how to solve some problem | Synonyms: algorithmic program, algorithmic rule |
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alienator | (noun) an unpleasant person who causes friendly people to become indifferent or unfriendly or hostile | - |
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alienor | (noun) someone from whom the title of property is transferred | - |
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aliterate | (noun) a person who can read but is disinclined to derive information from literary sources | Synonyms: aliterate person |
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alizarin | (noun) an orange-red crystalline compound used in making red pigments and in dyeing | Synonyms: alizarine |
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alizarine | (noun) an orange-red crystalline compound used in making red pigments and in dyeing | Synonyms: alizarin |
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alkalimetry | (noun) volumetric analysis using standard solutions of alkali to measure the amount of acid present | - |
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alkalinuria | (noun) a condition in which the urine (which is normally slightly acidic) is alkaline | Synonyms: alkaluria |
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alkaliser | (noun) an agent that counteracts or neutralizes acidity (especially in the stomach) | Synonyms: alkalizer, antacid, antiacid, gastric antacid |
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alkalizer | (noun) an agent that counteracts or neutralizes acidity (especially in the stomach) | Synonyms: alkaliser, antacid, antiacid, gastric antacid |
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alkaluria | (noun) a condition in which the urine (which is normally slightly acidic) is alkaline | Synonyms: alkalinuria |
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alkaptonuria | (noun) a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine | Synonyms: alcaptonuria |
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allayer | (noun) a person who reduces the intensity (e.g., of fears) and calms and pacifies | Synonyms: comforter, reliever |
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allegoresis | (noun) the interpretation of written, oral, or artistic expression as allegory. | - |
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allegoricalness | (noun) The state or quality of being allegorical. | - |
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allegoriser | (noun) someone who communicates in allegories | Synonyms: allegorizer |
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allegorizer | (noun) someone who communicates in allegories | Synonyms: allegoriser |
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allegory | (noun) a short moral story (often with animal characters) | Synonyms: apologue, fable, parable |
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(noun) an expressive style that uses fictional characters and events to describe some subject by suggestive resemblances; an extended metaphor | - |
(noun) a visible symbol representing an abstract idea | Synonyms: emblem |
allegretto | (noun) a musical composition or musical passage to be performed at a somewhat quicker tempo than andante but not as fast as allegro | - |
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(noun) a quicker tempo than andante but not as fast as allegro | - |
allegro | (noun) a musical composition or musical passage to be performed quickly in a brisk lively manner | - |
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(noun) a brisk and lively tempo | - |
allelomorph | (noun) (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character | Synonyms: allele |
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allergen | (noun) any substance that can cause an allergy | - |
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