| trabecula | (noun) rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen) | - |
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| trace | (noun) a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image | Synonyms: tracing |
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| (noun) either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree | - |
| (noun) an indication that something has been present | Synonyms: shadow, tincture, vestige |
| (noun) a suggestion of some quality | Synonyms: ghost, touch |
| (noun) a visible mark (as a footprint) left by the passage of person or animal or vehicle | - |
| (noun) a just detectable amount | Synonyms: hint, suggestion, tint |
| tracer | (noun) ammunition whose flight can be observed by a trail of smoke | Synonyms: tracer bullet |
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| (noun) (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes | - |
| (noun) an instrument used to make tracings | - |
| (noun) an investigator who is employed to find missing persons or missing goods | - |
| tracery | (noun) decoration consisting of an open pattern of interlacing ribs | - |
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| trachea | (noun) membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi | Synonyms: windpipe |
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| (noun) one of the tubules forming the respiratory system of most insects and many arachnids | - |
| tracheid | (noun) long tubular cell peculiar to xylem | - |
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| tracheitis | (noun) inflammation of the trachea | - |
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| tracheobronchitis | (noun) common respiratory infection characterized by inflammation of the trachea and the bronchi | - |
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| tracheophyte | (noun) green plant having a vascular system: ferns, gymnosperms, angiosperms | Synonyms: vascular plant |
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| tracheostomy | (noun) a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes | Synonyms: tracheotomy |
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| tracheotomy | (noun) a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes | Synonyms: tracheostomy |
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| trachodon | (noun) large duck-billed dinosaur of the Cretaceous period | Synonyms: trachodont |
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| trachodont | (noun) large duck-billed dinosaur of the Cretaceous period | Synonyms: trachodon |
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| trachoma | (noun) a chronic contagious disease caused by a bacterium and marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue | - |
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| tracing | (noun) the act of drawing a plan or diagram or outline | - |
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| (noun) the discovery and description of the course of development of something | - |
| (noun) a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image | Synonyms: trace |
| track | (noun) the act of participating in an athletic competition involving running on a track | Synonyms: running |
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| (noun) any road or path affording passage especially a rough one | Synonyms: cart track, cartroad |
| (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, rails, runway |
| (noun) a pair of parallel rails providing a runway for wheels | - |
| (noun) a groove on a phonograph recording | - |
| (noun) (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data | Synonyms: data track |
| (noun) a course over which races are run | Synonyms: racecourse, racetrack, raceway |
| (noun) an endless metal belt on which tracked vehicles move over the ground | Synonyms: caterpillar track, caterpillar tread |
| (noun) evidence pointing to a possible solution | Synonyms: lead, trail |
| (noun) a distinct selection of music from a recording or a compact disc | Synonyms: cut |
| (noun) a line or route along which something travels or moves | Synonyms: course, path |
| trackball | (noun) an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen | - |
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| tracker | (noun) someone who tracks down game | - |
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| tracking | (noun) the pursuit (of a person or animal) by following tracks or marks they left behind | Synonyms: trailing |
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| tracklayer | (noun) a workman who lays and repairs railroad tracks | Synonyms: platelayer |
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| tract | (noun) a bundle of myelinated nerve fibers following a path through the brain | Synonyms: nerve pathway, nerve tract, pathway |
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| (noun) a system of body parts that together serve some particular purpose | - |
| (noun) a brief treatise on a subject of interest; published in the form of a booklet | Synonyms: pamphlet |
| (noun) an extended area of land | Synonyms: parcel, parcel of land, piece of ground, piece of land |
| tractability | (noun) the trait of being easily persuaded | Synonyms: flexibility, tractableness |
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| tractableness | (noun) the trait of being easily persuaded | Synonyms: flexibility, tractability |
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| traction | (noun) (orthopedics) the act of pulling on a bone or limb (as in a fracture) to relieve pressure or align parts in a special way during healing | - |
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| (noun) the friction between a body and the surface on which it moves (as between an automobile tire and the road) | Synonyms: adhesive friction, grip |
| tractor | (noun) a wheeled vehicle with large wheels; used in farming and other applications | - |
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| (noun) a truck that has a cab but no body; used for pulling large trailers or vans | - |
| trad | (noun) traditional jazz as revived in the 1950s | - |
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| trade | (noun) the skilled practice of a practical occupation | Synonyms: craft |
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| (noun) the business given to a commercial establishment by its customers | Synonyms: patronage |
| (noun) a particular instance of buying or selling | Synonyms: business deal, deal |
| (noun) an equal exchange | Synonyms: barter, swap, swop |
| (noun) the commercial exchange (buying and selling on domestic or international markets) of goods and services | - |
| (noun) people who perform a particular kind of skilled work | Synonyms: craft |
| (noun) steady winds blowing from east to west above and below the equator | Synonyms: trade wind |
| tradecraft | (noun) skill acquired through experience in a trade; often used to discuss skill in espionage | - |
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| trademark | (noun) a distinctive characteristic or attribute of someone or something | Synonyms: earmark, hallmark, stylemark |
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| (noun) a formally registered symbol identifying the manufacturer or distributor of a product | - |
| tradeoff | (noun) an exchange that occurs as a compromise | Synonyms: trade-off |
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| trader | (noun) someone who purchases and maintains an inventory of goods to be sold | Synonyms: bargainer, dealer, monger |
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| tradesman | (noun) a merchant who owns or manages a shop | Synonyms: market keeper, shopkeeper, storekeeper |
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| tradespeople | (noun) people engaged in trade | - |
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| trading | (noun) buying or selling securities or commodities | - |
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| tradition | (noun) an inherited pattern of thought or action | - |
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| (noun) a specific practice of long standing | Synonyms: custom |
| traditionalism | (noun) adherence to tradition (especially in cultural or religious matters) | - |
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| (noun) strict adherence to traditional methods or teachings | Synonyms: traditionality |
| (noun) the doctrine that all knowledge was originally derived by divine revelation and that it is transmitted by traditions | - |
| traditionalist | (noun) one who adheres to traditional views | Synonyms: diehard |
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| traditionality | (noun) strict adherence to traditional methods or teachings | Synonyms: traditionalism |
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| traducement | (noun) a false accusation of an offense or a malicious misrepresentation of someone's words or actions | Synonyms: calumniation, calumny, defamation, hatchet job, obloquy |
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| traducer | (noun) one who attacks the reputation of another by slander or libel | Synonyms: backbiter, defamer, libeler, maligner, slanderer, vilifier |
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| traffic | (noun) buying and selling; especially illicit trade | - |
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| (noun) social or verbal interchange (usually followed by `with') | Synonyms: dealings |
| (noun) the amount of activity over a communication system during a given period of time | - |
| (noun) the aggregation of things (pedestrians or vehicles) coming and going in a particular locality during a specified period of time | - |
| trafficator | (noun) a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn | Synonyms: blinker, turn indicator, turn signal |
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| trafficker | (noun) someone who promotes or exchanges goods or services for money | Synonyms: marketer, seller, vender, vendor |
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| tragacanth | (noun) a gum used in pharmacy, adhesives, and textile printing | - |
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| tragedian | (noun) an actor who specializes in tragic roles | - |
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| (noun) a writer (especially a playwright) who writes tragedies | - |
| tragedienne | (noun) an actress who specializes in tragic roles | - |
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| tragedy | (noun) drama in which the protagonist is overcome by some superior force or circumstance; excites terror or pity | - |
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| (noun) an event resulting in great loss and misfortune | Synonyms: calamity, cataclysm, catastrophe, disaster |
| tragicomedy | (noun) a dramatic composition involving elements of both tragedy and comedy usually with the tragic predominating | - |
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| (noun) a comedy with serious elements or overtones | Synonyms: seriocomedy |
| tragifarce | (noun) an extreme form of tragicomedy. | - |
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| tragopan | (noun) brilliantly colored Asian pheasant having wattles and two fleshy processes on the head | - |
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| tragus | (noun) a small cartilaginous flap in front of the external opening of the ear | - |
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| trail | (noun) a path or track roughly blazed through wild or hilly country | - |
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| (noun) evidence pointing to a possible solution | Synonyms: lead, track |
| (noun) a track or mark left by something that has passed | - |
| trailblazer | (noun) someone who marks a trail by leaving blazes on trees | - |
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| (noun) someone who helps to open up a new line of research or technology or art | Synonyms: groundbreaker, innovator, pioneer |
| trailer | (noun) a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy | Synonyms: house trailer |
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| (noun) a large transport conveyance designed to be pulled by a truck or tractor | - |
| (noun) an advertisement consisting of short scenes from a motion picture that will appear in the near future | Synonyms: preview, prevue |
| (noun) someone who takes more time than necessary; someone who lags behind | Synonyms: dawdler, drone, laggard, lagger, poke |
| trailhead | (noun) the beginning of a trail | Synonyms: trail head |
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| trailing | (noun) the pursuit (of a person or animal) by following tracks or marks they left behind | Synonyms: tracking |
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| train | (noun) public transport provided by a line of railway cars coupled together and drawn by a locomotive | Synonyms: railroad train |
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| (noun) wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed | Synonyms: gear, gearing, geartrain, power train |
| (noun) piece of cloth forming the long back section of a gown that is drawn along the floor | - |
| (noun) a series of consequences wrought by an event | - |
| (noun) a procession (of wagons or mules or camels) traveling together in single file | Synonyms: caravan, wagon train |
| (noun) a sequentially ordered set of things or events or ideas in which each successive member is related to the preceding | Synonyms: string |
| trainband | (noun) a company of militia in England or America from the 16th century to the 18th century | - |
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| trainbandsman | (noun) a member of a trainband | - |
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| trainbearer | (noun) one who holds up the train of a gown or robe on a ceremonial occasion | - |
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| trainee | (noun) someone who is being trained | - |
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| traineeship | (noun) financial aid that enables you to get trained for a specified job | - |
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| trainer | (noun) simulator consisting of a machine on the ground that simulates the conditions of flying a plane | Synonyms: flight simulator |
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| (noun) one who trains other persons or animals | - |
| training | (noun) activity leading to skilled behavior | Synonyms: grooming, preparation |
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| (noun) the result of good upbringing (especially knowledge of correct social behavior) | Synonyms: breeding, education |
| trainload | (noun) quantity that can be carried by a train | - |
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| trainman | (noun) an employee of a railroad | Synonyms: railroad man, railroader, railway man, railwayman |
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| trainmaster | (noun) a railroad employer who is in charge of a railway yard | Synonyms: train dispatcher, yardmaster |
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| trait | (noun) a distinguishing feature of your personal nature | - |
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| traitor | (noun) someone who betrays his country by committing treason | Synonyms: treasonist |
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| (noun) a person who says one thing and does another | Synonyms: betrayer, double-crosser, double-dealer, two-timer |
| traitorousness | (noun) disloyalty by virtue of subversive behavior | Synonyms: subversiveness, treason |
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| traitress | (noun) female traitor | - |
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| trajectory | (noun) the path followed by an object moving through space | Synonyms: flight |
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| tram | (noun) a four-wheeled wagon that runs on tracks in a mine | Synonyms: tramcar |
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| (noun) a wheeled vehicle that runs on rails and is propelled by electricity | Synonyms: streetcar, tramcar, trolley, trolley car |
| (noun) a conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towers | Synonyms: aerial tramway, cable tramway, ropeway, tramway |
| tramcar | (noun) a four-wheeled wagon that runs on tracks in a mine | Synonyms: tram |
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| (noun) a wheeled vehicle that runs on rails and is propelled by electricity | Synonyms: streetcar, tram, trolley, trolley car |
| tramline | (noun) the track on which trams or streetcars run | Synonyms: streetcar track, tramway |
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| trammel | (noun) a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner) | Synonyms: bond, hamper, shackle |
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| (noun) a restraint that is used to teach a horse to amble | - |
| (noun) an adjustable pothook set in a fireplace | - |
| (noun) a fishing net with three layers; the outer two are coarse mesh and the loose inner layer is fine mesh | Synonyms: trammel net |
| tramontana | (noun) a cold dry wind that blows south out of the mountains into Italy and the western Mediterranean | Synonyms: tramontane |
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| tramontane | (noun) a cold dry wind that blows south out of the mountains into Italy and the western Mediterranean | Synonyms: tramontana |
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| tramp | (noun) a long walk usually for exercise or pleasure | Synonyms: hike, hiking |
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| (noun) a commercial steamer for hire; one having no regular schedule | Synonyms: tramp steamer |
| (noun) a heavy footfall | - |
| (noun) a vagrant | Synonyms: bum, hobo |
| (noun) a person who engages freely in promiscuous sex | Synonyms: swinger |
| (noun) a foot traveler; someone who goes on an extended walk (for pleasure) | Synonyms: hiker, tramper |
| tramper | (noun) someone who walks with a heavy noisy gait or who stamps on the ground | Synonyms: stamper, stomper, trampler |
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| (noun) a foot traveler; someone who goes on an extended walk (for pleasure) | Synonyms: hiker, tramp |
| trample | (noun) the sound of heavy treading or stomping | Synonyms: trampling |
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| trampler | (noun) someone who walks with a heavy noisy gait or who stamps on the ground | Synonyms: stamper, stomper, tramper |
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| (noun) someone who injures by trampling | - |
| trampling | (noun) the sound of heavy treading or stomping | Synonyms: trample |
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| trampoline | (noun) gymnastic apparatus consisting of a strong canvas sheet attached with springs to a metal frame; used for tumbling | - |
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| tramway | (noun) the track on which trams or streetcars run | Synonyms: streetcar track, tramline |
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| (noun) a conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towers | Synonyms: aerial tramway, cable tramway, ropeway, tram |
| trance | (noun) a state of mind in which consciousness is fragile and voluntary action is poor or missing; a state resembling deep sleep | - |
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| (noun) A genre of electronic dance music with a fast tempo, repetitive phrasing, and often a hypnotic effect. | - |
| (noun) a psychological state induced by (or as if induced by) a magical incantation | Synonyms: enchantment, spell |
| tranche | (noun) a portion of something (especially money) | - |
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| trandolapril | (noun) an ACE inhibiting drug (trade name Mavik) used in some patients after a heart attack or to treat hypertension | Synonyms: Mavik |
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| tranquility | (noun) a disposition free from stress or emotion | Synonyms: placidity, quiet, repose, serenity, tranquillity |
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| (noun) a state of peace and quiet | Synonyms: quietness, quietude, tranquillity |
| (noun) an untroubled state; free from disturbances | Synonyms: quiet, tranquillity |
| tranquilizer | (noun) a drug used to reduce stress or tension without reducing mental clarity | Synonyms: antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilliser, tranquillizer |
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| tranquilliser | (noun) a drug used to reduce stress or tension without reducing mental clarity | Synonyms: antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilizer, tranquillizer |
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| tranquillity | (noun) a disposition free from stress or emotion | Synonyms: placidity, quiet, repose, serenity, tranquility |
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| (noun) a state of peace and quiet | Synonyms: quietness, quietude, tranquility |
| (noun) an untroubled state; free from disturbances | Synonyms: quiet, tranquility |
| tranquillizer | (noun) a drug used to reduce stress or tension without reducing mental clarity | Synonyms: antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilizer, tranquilliser |
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| transactinide | (noun) any of the artificially produced elements with atomic numbers greater than 103 | - |
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| transaction | (noun) the act of transacting within or between groups (as carrying on commercial activities) | Synonyms: dealing, dealings |
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| transactions | (noun) a written account of what transpired at a meeting | Synonyms: minutes, proceedings |
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| transactor | (noun) someone who conducts or carries on business or negotiations | - |
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| transalpine | (noun) one living on or coming from the other side of the Alps from Italy | - |
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| transaminase | (noun) a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) | Synonyms: aminopherase, aminotransferase |
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| transamination | (noun) the process of transferring an amino group from one compound to another | - |
|---|
| (noun) the process of transposing an amino group within a chemical compound | - |