| strangler | (noun) someone who kills by strangling | Synonyms: choker, garroter, garrotter, throttler |
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| (noun) an epiphytic vine or tree whose aerial roots extend down the trunk of a supporting tree and coalesce around it eventually strangling the tree | Synonyms: strangler tree |
| strangles | (noun) an acute bacterial disease of horses characterized by inflammation of the mucous membranes | Synonyms: equine distemper |
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| strangling | (noun) the act of suffocating (someone) by constricting the windpipe | Synonyms: choking, strangulation, throttling |
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| strangulation | (noun) the act of suffocating (someone) by constricting the windpipe | Synonyms: choking, strangling, throttling |
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| (noun) (pathology) constriction of a body part so as to cut off the flow of blood or other fluid | - |
| (noun) the condition of having respiration stopped by compression of the air passage | - |
| strap | (noun) whip consisting of a strip of leather used in flogging | - |
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| (noun) an elongated leather strip (or a strip of similar material) for binding things together or holding something in position | - |
| (noun) a band that goes over the shoulder and supports a garment or bag | Synonyms: shoulder strap |
| (noun) hanger consisting of a loop of leather suspended from the ceiling of a bus or train; passengers hold onto it | - |
| strapado | (noun) a form of torture in which the hands are tied behind a person's back and they are lifted off the ground by a rope tied to their wrists, then allowed to drop until their fall is checked with a jerk by the rope | Synonyms: strappado |
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| straphanger | (noun) a standing subway or bus passenger who grips a hanging strap for support | - |
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| (noun) a commuter who uses public transportation | - |
| strapless | (noun) a woman's garment that exposes the shoulders and has no shoulder straps | - |
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| strapline | (noun) a secondary heading, especially one printed above another. | - |
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| strappado | (noun) a form of torture in which the hands are tied behind a person's back and they are lifted off the ground by a rope tied to their wrists, then allowed to drop until their fall is checked with a jerk by the rope | Synonyms: strapado |
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| strapper | (noun) a large and strong and heavyset man | Synonyms: bruiser, bull, Samson |
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| stratagem | (noun) a maneuver in a game or conversation | Synonyms: gambit, ploy |
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| (noun) an elaborate or deceitful scheme contrived to deceive or evade | Synonyms: contrivance, dodge |
| strategian | (noun) an expert in strategy (especially in warfare) | Synonyms: strategist |
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| strategics | (noun) the science or art of strategy | - |
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| strategist | (noun) an expert in strategy (especially in warfare) | Synonyms: strategian |
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| strategy | (noun) an elaborate and systematic plan of action | Synonyms: scheme |
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| (noun) the branch of military science dealing with military command and the planning and conduct of a war | - |
| stratification | (noun) the act or process or arranging persons into classes or social strata | - |
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| (noun) the placing of seeds in damp sand or sawdust or peat moss in order to preserve them or promote germination | - |
| (noun) a layered configuration | - |
| (noun) forming or depositing in layers | - |
| (noun) the condition of being arranged in social strata or classes within a group | Synonyms: social stratification |
| stratigraphy | (noun) the branch of geology that studies the arrangement and succession of strata | - |
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| stratocracy | (noun) government by the military and an army | Synonyms: military government |
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| stratosphere | (noun) the atmospheric layer between the troposphere and the mesosphere | - |
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| stratum | (noun) an abstract place usually conceived as having depth | Synonyms: layer, level |
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| (noun) a subpopulation divided into a stratified sampling | - |
| (noun) people having the same social, economic, or educational status | Synonyms: class, social class, socio-economic class |
| (noun) one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock) | - |
| stratus | (noun) a large dark low cloud | Synonyms: stratus cloud |
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| straw | (noun) a thin paper or plastic tube used to suck liquids into the mouth | Synonyms: drinking straw |
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| (noun) a variable yellow tint; dull yellow, often diluted with white | Synonyms: pale yellow, wheat |
| (noun) plant fiber used e.g. for making baskets and hats or as fodder | - |
| (noun) material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds | Synonyms: chaff, husk, shuck, stalk, stubble |
| strawberry | (noun) a soft red birthmark | Synonyms: hemangioma simplex, strawberry mark |
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| (noun) sweet fleshy red fruit | - |
| (noun) any of various low perennial herbs with many runners and bearing white flowers followed by edible fruits having many small achenes scattered on the surface of an enlarged red pulpy berry | - |
| strawboard | (noun) a coarse yellow cardboard made of straw pulp | - |
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| strawflower | (noun) Australian plant naturalized in Spain having flowers of lemon yellow to deep gold; the frequent choice of those who love dried flowers | Synonyms: golden everlasting, Helichrysum bracteatum, yellow paper daisy |
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| (noun) any of various plants of the genus Helipterum | - |
| (noun) plant of southern and southeastern United States grown for its yellow flowers that can be dried | Synonyms: cornflower, Uvularia grandiflora |
| strawman | (noun) an effigy in the shape of a man to frighten birds away from seeds | Synonyms: bird-scarer, scarecrow, scarer, straw man |
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| (noun) a weak or sham argument set up to be easily refuted | Synonyms: straw man |
| (noun) a person used as a cover for some questionable activity | Synonyms: figurehead, front, front man, nominal head, straw man |
| strawworm | (noun) larva of chalcid flies injurious to the straw of wheat and other grains | Synonyms: jointworm |
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| (noun) larva of the caddis fly; constructs a case of silk covered with sand or plant debris | Synonyms: caddisworm |
| stray | (noun) an animal that has strayed (especially a domestic animal) | - |
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| strayer | (noun) someone who strays or falls behind | Synonyms: straggler |
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| subcontract | (noun) a contract assigning to another party some obligations of a prior contract | - |
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| subcontractor | (noun) someone who enters into a subcontract with the primary contractor | - |
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| substrate | (noun) an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population | Synonyms: substratum |
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| (noun) any stratum or layer lying underneath another | Synonyms: substratum |
| (noun) a surface on which an organism grows or is attached | Synonyms: substratum |
| (noun) the substance that is acted upon by an enzyme or ferment | - |
| substratum | (noun) an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population | Synonyms: substrate |
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| (noun) any stratum or layer lying underneath another | Synonyms: substrate |
| (noun) a surface on which an organism grows or is attached | Synonyms: substrate |
| subtracter | (noun) a machine that subtracts numbers | - |
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| (noun) a person who subtracts numbers | - |
| subtraction | (noun) the act of subtracting (removing a part from the whole) | Synonyms: deduction |
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| (noun) an arithmetic operation in which the difference between two numbers is calculated | Synonyms: minus |
| subtractor | (noun) An electronic logic circuit for calculating the difference between two binary numbers. | - |
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| subtrahend | (noun) the number to be subtracted from the minuend | - |
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| suntrap | (noun) a terrace or garden oriented to take advantage of the sun while protected from cold winds | Synonyms: solar trap |
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| superstrate | (noun) the language of a later invading people that is imposed on an indigenous population and contributes features to their language | Synonyms: superstratum |
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| (noun) any stratum or layer superimposed on another | Synonyms: superstratum |
| superstratum | (noun) the language of a later invading people that is imposed on an indigenous population and contributes features to their language | Synonyms: superstrate |
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| (noun) any stratum or layer superimposed on another | Synonyms: superstrate |
| sutra | (noun) a rule or aphorism in Sanskrit literature or a group of aphoristic doctrinal summaries prepared for memorization | - |
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| tantra | (noun) any of a fairly recent class of Hindu or Buddhist religious literature concerned with ritual acts of body and speech and mind | - |
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| tartrate | (noun) a salt or ester of tartaric acid | - |
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| tetra | (noun) brightly colored tropical freshwater fishes | - |
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| tetracaine | (noun) a crystalline compound used in the form of a hydrochloride as a local anesthetic | - |
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| tetrachlorethylene | (noun) anthelmintic agent used against hookworm and other nematodes | Synonyms: carbon dichloride, ethylene tetrachloride, tetrachloroethylene |
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| tetrachloride | (noun) any compound that contains four chlorine atoms per molecule | - |
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| tetrachloroethylene | (noun) anthelmintic agent used against hookworm and other nematodes | Synonyms: carbon dichloride, ethylene tetrachloride, tetrachlorethylene |
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| tetrachloromethane | (noun) a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined | Synonyms: carbon tet, carbon tetrachloride, perchloromethane |
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| tetracycline | (noun) an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections | Synonyms: Achromycin |
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| tetrad | (noun) the cardinal number that is the sum of three and one | Synonyms: 4, four, foursome, IV, Little Joe, quadruplet, quartet, quatern, quaternary, quaternion, quaternity |
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| tetrafluoroethylene | (noun) a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins) | - |
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| tetragen | (noun) any chemical element that belongs to the carbon group. | Synonyms: carbon group element, crystallogen, Group 14 element, tetrel |
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| tetragon | (noun) a four-sided polygon | Synonyms: quadrangle, quadrilateral |
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| tetragram | (noun) a word that is written with four letters in an alphabetic writing system | - |
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| tetrahalide | (noun) any halide containing four halogen atoms in its molecules | - |
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| tetrahedron | (noun) any polyhedron having four plane faces | - |
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| tetrahydrocannabinol | (noun) psychoactive substance present in marijuana | Synonyms: THC |
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| tetrahymena | (noun) relative of the paramecium; often used in genetics research | - |
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| tetraiodothyronine | (noun) hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells | Synonyms: T, thyroxin, thyroxine |
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| tetralogy | (noun) a series of four related works (plays or operas or novels) | - |
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| tetrameter | (noun) a verse line having four metrical feet | - |
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| tetramethyldiarsine | (noun) a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air | Synonyms: cacodyl |
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| tetranychid | (noun) web-spinning mite that attacks garden plants and fruit trees | Synonyms: spider mite |
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| tetrapod | (noun) a vertebrate animal having four feet or legs or leglike appendages | - |
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| tetrasaccharide | (noun) any of a variety of carbohydrates that yield four monosaccharide molecules on complete hydrolysis | - |
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| tetraskele | (noun) a figure consisting of four stylized human arms or legs (or bent lines) radiating from a center | Synonyms: tetraskelion |
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| tetraskelion | (noun) a figure consisting of four stylized human arms or legs (or bent lines) radiating from a center | Synonyms: tetraskele |
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| tetrasporangium | (noun) a sporangium containing four asexual spores | - |
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| tetraspore | (noun) one of the four asexual spores produced within a sporangium | - |
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| titration | (noun) a measured amount of a solution of unknown concentration is added to a known volume of a second solution until the reaction between them is just complete; the concentration of the unknown solution (the titer) can then be calculated | - |
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| titrator | (noun) an apparatus for performing a titration | - |
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| toastrack | (noun) a rack for holding slices of toast | - |
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| 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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