| algebraist | (noun) a mathematician whose specialty is algebra | - |
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| appraisal | (noun) an expert estimation of the quality, quantity, and other characteristics of someone or something | - |
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| (noun) the classification of someone or something with respect to its worth | Synonyms: assessment |
| (noun) a document appraising the value of something (as for insurance or taxation) | Synonyms: estimate, estimation |
| appraiser | (noun) one who estimates officially the worth or value or quality of things | Synonyms: valuator |
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| (noun) one who determines authenticity (as of works of art) or who guarantees validity | Synonyms: authenticator |
| arraignment | (noun) a legal document calling someone to court to answer an indictment | - |
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| betweenbrain | (noun) the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon | Synonyms: diencephalon, interbrain, thalmencephalon |
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| birdbrain | (noun) a person with confused ideas; incapable of serious thought | Synonyms: addle-head, addlehead, loon |
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| braid | (noun) trimming used to decorate clothes or curtains | Synonyms: braiding, gold braid |
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| (noun) a hairdo formed by braiding or twisting the hair | Synonyms: plait, tress, twist |
| braiding | (noun) trimming used to decorate clothes or curtains | Synonyms: braid, gold braid |
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| brail | (noun) a small rope (one of several) used to draw a sail in | - |
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| (noun) a small net used to draw fish into a boat | - |
| braille | (noun) a point system of writing in which patterns of raised dots represent letters and numerals | - |
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| brain | (noun) that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord | Synonyms: encephalon |
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| (noun) mental ability | Synonyms: brainpower, learning ability, mental capacity, mentality, wit |
| (noun) that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason | Synonyms: head, mind, nous, psyche |
| (noun) the brain of certain animals used as meat | - |
| (noun) someone who has exceptional intellectual ability and originality | Synonyms: brainiac, Einstein, genius, mastermind |
| braincase | (noun) the part of the skull that encloses the brain | Synonyms: brainpan, cranium |
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| brainchild | (noun) a product of your creative thinking and work | Synonyms: inspiration |
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| brainiac | (noun) someone who has exceptional intellectual ability and originality | Synonyms: brain, Einstein, genius, mastermind |
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| brainpan | (noun) the part of the skull that encloses the brain | Synonyms: braincase, cranium |
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| brainpower | (noun) mental ability | Synonyms: brain, learning ability, mental capacity, mentality, wit |
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| brainstem | (noun) the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus | Synonyms: brain-stem, brain stem |
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| brainstorm | (noun) the clear (and often sudden) understanding of a complex situation | Synonyms: brainwave, insight |
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| brainstorming | (noun) a group problem-solving technique in which members spontaneously share ideas and solutions | - |
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| brainwashing | (noun) forcible indoctrination into a new set of attitudes and beliefs | - |
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| brainwave | (noun) the clear (and often sudden) understanding of a complex situation | Synonyms: brainstorm, insight |
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| (noun) (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph | Synonyms: brain wave, cortical potential |
| brainworker | (noun) someone whose profession involves using his head to solve problems | Synonyms: brain-worker |
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| braising | (noun) cooking slowly in fat in a closed pot with little moisture | - |
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| caravanserai | (noun) an inn in some eastern countries with a large courtyard that provides accommodation for caravans | Synonyms: caravan inn, caravansary, khan |
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| constraint | (noun) the act of constraining; the threat or use of force to control the thoughts or behavior of others | - |
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| (noun) a device that retards something's motion | Synonyms: restraint |
| (noun) the state of being physically constrained | Synonyms: restraint |
| contrail | (noun) an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust | Synonyms: condensation trail |
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| contraindication | (noun) (medicine) a reason that makes it inadvisable to prescribe a particular drug or employ a particular procedure or treatment | - |
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| derailment | (noun) an accident in which a train runs off its track | - |
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| dispraise | (noun) the act of speaking contemptuously of | Synonyms: disparagement |
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| distraint | (noun) the seizure and holding of property as security for payment of a debt or satisfaction of a claim | Synonyms: distress |
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| drain | (noun) emptying something accomplished by allowing liquid to run out of it | Synonyms: drainage |
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| (noun) a gradual depletion of energy or resources | - |
| (noun) a pipe through which liquid is carried away | Synonyms: drainpipe, waste pipe |
| (noun) tube inserted into a body cavity (as during surgery) to remove unwanted material | - |
| drainage | (noun) emptying something accomplished by allowing liquid to run out of it | Synonyms: drain |
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| drainboard | (noun) a board beside a kitchen sink and inclined to drain into the sink | Synonyms: draining board |
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| drainpipe | (noun) a pipe through which liquid is carried away | Synonyms: drain, waste pipe |
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| drainplug | (noun) a removable plug for holding water in a tub or basin | - |
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| entrails | (noun) internal organs collectively (especially those in the abdominal cavity) | Synonyms: innards, insides, viscera |
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| eyestrain | (noun) a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem | Synonyms: asthenopia |
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| forebrain | (noun) the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube | Synonyms: prosencephalon |
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| frail | (noun) a basket for holding dried fruit (especially raisins or figs) | - |
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| (noun) the weight of a frail (basket) full of raisins or figs; between 50 and 75 pounds | - |
| frailness | (noun) the state of being weak in health or body (especially from old age) | Synonyms: debility, feebleness, frailty, infirmity, valetudinarianism |
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| frailty | (noun) moral weakness | Synonyms: vice |
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| (noun) the state of being weak in health or body (especially from old age) | Synonyms: debility, feebleness, frailness, infirmity, valetudinarianism |
| fraise | (noun) sloping or horizontal rampart of pointed stakes | - |
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| (noun) a ruff for the neck worn in the 16th century | - |
| fundraiser | (noun) a social function that is held for the purpose of raising money | - |
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| (noun) someone who solicits financial contributions | - |
| geartrain | (noun) wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed | Synonyms: gear, gearing, power train, train |
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| grail | (noun) (legend) chalice used by Christ at the Last Supper | Synonyms: Holy Grail, Sangraal |
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| (noun) the object of any prolonged endeavor | - |
| grain | (noun) the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric | - |
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| (noun) the physical composition of something (especially with respect to the size and shape of the small constituents of a substance) | Synonyms: texture |
| (noun) the smallest possible unit of anything | - |
| (noun) foodstuff prepared from the starchy grains of cereal grasses | Synonyms: cereal, food grain |
| (noun) a relatively small granular particle of a substance | - |
| (noun) dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn | Synonyms: caryopsis |
| (noun) a cereal grass | - |
| (noun) 1/7000 pound; equals a troy grain or 64.799 milligrams | - |
| (noun) 1/60 dram; equals an avoirdupois grain or 64.799 milligrams | - |
| (noun) a weight unit used for pearls or diamonds: 50 mg or 1/4 carat | Synonyms: metric grain |
| (noun) the side of leather from which the hair has been removed | - |
| grainfield | (noun) a field where grain is grown | Synonyms: grain field |
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| graininess | (noun) the quality of being composed of relatively large particles | Synonyms: coarseness, granularity |
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| graining | (noun) a texture like that of wood | Synonyms: woodgraining |
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| grosgrain | (noun) a silk or silklike fabric with crosswise ribs | - |
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| guardrail | (noun) a railing placed alongside a stairway or road for safety | Synonyms: safety rail |
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| handrail | (noun) a railing at the side of a staircase or balcony to prevent people from falling | Synonyms: balusters, balustrade, banister, bannister |
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| hindbrain | (noun) the posterior portion of the brain including cerebellum and brainstem | Synonyms: rhombencephalon |
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| ingraining | (noun) teaching or impressing upon the mind by frequent instruction or repetition | Synonyms: inculcation, instilling |
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| interbrain | (noun) the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon | Synonyms: betweenbrain, diencephalon, thalmencephalon |
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| krait | (noun) brightly colored venomous but nonaggressive snake of southeastern Asia and Malay peninsula | - |
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| midbrain | (noun) the middle portion of the brain | Synonyms: mesencephalon |
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| migraine | (noun) a severe recurring vascular headache; occurs more frequently in women than men | Synonyms: hemicrania, megrim, sick headache |
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| monorail | (noun) a railway having a single track | - |
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| moraine | (noun) accumulated earth and stones deposited by a glacier | - |
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| murrain | (noun) any disease of domestic animals that resembles a plague | - |
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| overappraisal | (noun) an appraisal that is too high | Synonyms: overestimate, overestimation, overvaluation |
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| overpraise | (noun) excessive or undeserved praise. | - |
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| overstrain | (noun) too much strain | - |
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| portrait | (noun) any likeness of a person, in any medium | Synonyms: portrayal |
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| (noun) a word picture of a person's appearance and character | Synonyms: portraiture, portrayal |
| portraitist | (noun) a painter or drawer of portraits | Synonyms: limner, portrait painter, portrayer |
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| portraiture | (noun) the activity of making portraits | - |
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| (noun) a word picture of a person's appearance and character | Synonyms: portrait, portrayal |
| prairie | (noun) a treeless grassy plain | - |
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| praise | (noun) an expression of approval and commendation | Synonyms: congratulations, extolment, kudos |
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| (noun) offering words of homage as an act of worship | - |
| praiseworthiness | (noun) the quality of being worthy of praise | Synonyms: laudability, laudableness |
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| praisworthiness | (noun) the property of deserving praise | - |
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| quatrain | (noun) a stanza of four lines | - |
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| raid | (noun) a sudden short attack | Synonyms: foray, maraud |
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| (noun) an attempt by speculators to defraud investors | - |
| raider | (noun) a corporate investor who intends to take over a company by buying a controlling interest in its stock and installing new management | - |
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| (noun) someone who takes spoils or plunder (as in war) | Synonyms: despoiler, freebooter, looter, pillager, plunderer, spoiler |
| rail | (noun) any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud | - |
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| (noun) a horizontal bar (usually of wood or metal) | - |
| (noun) a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll | Synonyms: rails, runway, track |
| (noun) a barrier consisting of a horizontal bar and supports | Synonyms: railing |
| (noun) short for railway | - |
| railbird | (noun) a fan of racing who watches races from the outer rail of the track | - |
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| railcar | (noun) a wheeled vehicle adapted to the rails of railroad | Synonyms: car, railroad car, railway car |
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| railhead | (noun) a railroad depot in a theater of operations where military supplies are unloaded for distribution | - |
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| (noun) the end of the completed track on an unfinished railway | - |
| railing | (noun) a barrier consisting of a horizontal bar and supports | Synonyms: rail |
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| (noun) material for making rails or rails collectively | - |
| raillery | (noun) light teasing repartee | Synonyms: backchat, banter, give-and-take |
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| railroad | (noun) line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight | Synonyms: railroad line, railway, railway line, railway system |
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| (noun) a line of track providing a runway for wheels | Synonyms: railroad track, railway |
| railroader | (noun) an employee of a railroad | Synonyms: railroad man, railway man, railwayman, trainman |
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| railroading | (noun) the activity of designing and constructing and operating railroads | Synonyms: rail technology |
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| rails | (noun) a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll | Synonyms: rail, runway, track |
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| railway | (noun) line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight | Synonyms: railroad, railroad line, railway line, railway system |
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| (noun) a line of track providing a runway for wheels | Synonyms: railroad, railroad track |
| railwayman | (noun) an employee of a railroad | Synonyms: railroad man, railroader, railway man, trainman |
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| railyard | (noun) an area having a network of railway tracks and sidings for storage and maintenance of cars and engines | Synonyms: railway yard, yard |
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| raiment | (noun) especially fine or decorative clothing | Synonyms: array, regalia |
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| rain | (noun) anything happening rapidly or in quick successive | Synonyms: pelting |
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| (noun) water falling in drops from vapor condensed in the atmosphere | Synonyms: rainfall |
| (noun) drops of fresh water that fall as precipitation from clouds | Synonyms: rainwater |
| rainbow | (noun) an illusory hope | - |
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| (noun) an arc of colored light in the sky caused by refraction of the sun's rays by rain | - |
| raincoat | (noun) a water-resistant coat | Synonyms: waterproof |
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| raindrop | (noun) a drop of rain | - |
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| rainfall | (noun) water falling in drops from vapor condensed in the atmosphere | Synonyms: rain |
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| rainfly | (noun) flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent | Synonyms: fly, fly sheet, tent-fly, tent flap |
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| rainforest | (noun) a forest with heavy annual rainfall | Synonyms: rain forest |
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| raininess | (noun) (of weather) the badness of the weather | Synonyms: foulness |
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| rainlessness | (noun) The state or condition of being rainless; lack of rain; drought. | - |
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| rainmaker | (noun) American Indian medicine man who attempt to make it rain | - |
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| (noun) executive who is very successful in bringing in business to his company or firm | - |
| rainmaking | (noun) activity intended to produce rain | - |
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| rainstorm | (noun) a storm with rain | - |
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