| abstract | (noun) a concept or idea not associated with any specific instance | Synonyms: abstraction |
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| (noun) a sketchy summary of the main points of an argument or theory | Synonyms: outline, precis, synopsis |
| abstractedness | (noun) preoccupation with something to the exclusion of all else | Synonyms: abstraction |
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| abstracter | (noun) one who makes abstracts or summarizes information | Synonyms: abstractor |
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| abstraction | (noun) a general concept formed by extracting common features from specific examples | Synonyms: abstract entity |
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| (noun) the act of withdrawing or removing something | - |
| (noun) an abstract painting | - |
| (noun) a concept or idea not associated with any specific instance | Synonyms: abstract |
| (noun) preoccupation with something to the exclusion of all else | Synonyms: abstractedness |
| (noun) the process of formulating general concepts by abstracting common properties of instances | Synonyms: generalisation, generalization |
| abstractionism | (noun) an abstract genre of art; artistic content depends on internal form rather than pictorial representation | Synonyms: abstract art |
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| (noun) a representation having no reference to concrete objects or specific examples | Synonyms: unrealism |
| abstractionist | (noun) a painter of abstract pictures | Synonyms: abstract artist |
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| abstractness | (noun) the quality of being considered apart from a specific instance or object | - |
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| abstractor | (noun) one who makes abstracts or summarizes information | Synonyms: abstracter |
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| attracter | (noun) a characteristic that provides pleasure and attracts | Synonyms: attraction, attractive feature, attractor, magnet |
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| (noun) (physics) a point in the ideal multidimensional phase space that is used to describe a system toward which the system tends to evolve regardless of the starting conditions of the system | Synonyms: attractor |
| (noun) an entertainer who attracts large audiences | Synonyms: attraction, attractor, draw, drawing card |
| attraction | (noun) the quality of arousing interest; being attractive or something that attracts | Synonyms: attractiveness |
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| (noun) a characteristic that provides pleasure and attracts | Synonyms: attracter, attractive feature, attractor, magnet |
| (noun) an entertainment that is offered to the public | - |
| (noun) an entertainer who attracts large audiences | Synonyms: attracter, attractor, draw, drawing card |
| (noun) the force by which one object attracts another | Synonyms: attractive force |
| attractiveness | (noun) sexual allure | - |
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| (noun) the quality of arousing interest; being attractive or something that attracts | Synonyms: attraction |
| attractor | (noun) a characteristic that provides pleasure and attracts | Synonyms: attracter, attraction, attractive feature, magnet |
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| (noun) (physics) a point in the ideal multidimensional phase space that is used to describe a system toward which the system tends to evolve regardless of the starting conditions of the system | Synonyms: attracter |
| (noun) an entertainer who attracts large audiences | Synonyms: attracter, attraction, draw, drawing card |
| bacitracin | (noun) a polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally | - |
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| batrachian | (noun) any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species | Synonyms: anuran, frog, salientian, toad, toad frog |
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| batrachomyomachia | (noun) a silly altercation | - |
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| chemoattractant | (noun) a substance inducing positive chemotaxis in motile cells. | - |
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| chlortetracycline | (noun) a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases | Synonyms: Aureomycin |
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| coatrack | (noun) a rack with hooks for temporarily holding coats and hats | Synonyms: coat rack, hatrack |
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| contraception | (noun) birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery | Synonyms: contraceptive method |
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| contraceptive | (noun) an agent or device intended to prevent conception | Synonyms: birth control device, contraceptive device, preventative, preventive, prophylactic device |
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| contract | (noun) a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid | Synonyms: contract bridge |
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| (noun) a binding agreement between two or more persons that is enforceable by law | - |
| (noun) (contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make | Synonyms: declaration |
| contractility | (noun) the capability or quality of shrinking or contracting, especially by muscle fibers and even some other forms of living matter | - |
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| contracting | (noun) becoming infected | Synonyms: catching |
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| contraction | (noun) the act of decreasing (something) in size or volume or quantity or scope | - |
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| (noun) (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber) | Synonyms: muscle contraction, muscular contraction |
| (noun) a word formed from two or more words by omitting or combining some sounds | - |
| (noun) the process or result of becoming smaller or pressed together | Synonyms: compression, condensation |
| contractor | (noun) a bodily organ that contracts | Synonyms: contractile organ |
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| (noun) someone (a person or firm) who contracts to build things | - |
| (noun) (law) a party to a contract | - |
| (noun) the bridge player in contract bridge who wins the bidding and can declare which suit is to be trumps | Synonyms: declarer |
| contracture | (noun) an abnormal and usually permanent contraction of a muscle | - |
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| counterattraction | (noun) a rival attraction | - |
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| detraction | (noun) the act of discrediting or detracting from someone's reputation (especially by slander) | - |
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| (noun) a petty disparagement | Synonyms: petty criticism |
| detractor | (noun) one who disparages or belittles the worth of something | Synonyms: depreciator, disparager, knocker |
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| distraction | (noun) an entertainment that provokes pleased interest and distracts you from worries and vexations | Synonyms: beguilement |
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| (noun) the act of distracting; drawing someone's attention away from something | Synonyms: misdirection |
| (noun) mental turmoil | - |
| (noun) an obstacle to attention | - |
| extract | (noun) a passage selected from a larger work | Synonyms: excerpt, excerption, selection |
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| (noun) a solution obtained by steeping or soaking a substance (usually in water) | Synonyms: infusion |
| extractant | (noun) an immiscible liquid used to extract a substance from another liquid. | - |
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| extraction | (noun) the action of taking out something (especially using effort or force) | - |
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| (noun) properties attributable to your ancestry | Synonyms: descent, origin |
| (noun) the process of obtaining something from a mixture or compound by chemical or physical or mechanical means | - |
| extractivity | (noun) the amount of extract that grains of malt yield. | - |
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| extractor | (noun) an instrument for extracting tight-fitting components | - |
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| (noun) an apparatus that uses centrifugal force to separate particles from a suspension | Synonyms: centrifuge, separator |
| (noun) a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector | Synonyms: cartridge extractor, cartridge remover |
| footrace | (noun) a race run on foot | Synonyms: foot race, run |
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| hatrack | (noun) a rack with hooks for temporarily holding coats and hats | Synonyms: coat rack, coatrack |
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| heterostracan | (noun) extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian | - |
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| hydroxytetracycline | (noun) a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections | Synonyms: oxytetracycline, oxytetracycline hydrochloride, Terramycin |
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| intractability | (noun) the trait of being hard to influence or control | Synonyms: intractableness |
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| intractableness | (noun) the trait of being hard to influence or control | Synonyms: intractability |
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| itraconazole | (noun) an oral antifungal drug (trade name Sporanox) taken for cases of fungal nail disease | Synonyms: Sporanox |
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| laryngotracheobronchitis | (noun) inflammation of the larynx and trachea and bronchial passageways | - |
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| magistracy | (noun) the position of magistrate | Synonyms: magistrature |
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| osteostracan | (noun) extinct jawless fish of the Devonian with armored head | Synonyms: cephalaspid |
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| ostracism | (noun) the act of excluding someone from society by general consent | - |
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| (noun) the state of being banished or ostracized (excluded from society by general consent) | Synonyms: banishment, Coventry |
| ostracod | (noun) tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell | Synonyms: mussel shrimp, seed shrimp |
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| ostracoderm | (noun) extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic | - |
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| oxytetracycline | (noun) a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections | Synonyms: hydroxytetracycline, oxytetracycline hydrochloride, Terramycin |
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| protraction | (noun) the act of prolonging something | Synonyms: lengthening, perpetuation, prolongation |
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| (noun) the consequence of being lengthened in duration | Synonyms: continuation, lengthiness, prolongation |
| protractor | (noun) drafting instrument used to draw or measure angles | - |
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| racetrack | (noun) a course over which races are run | Synonyms: racecourse, raceway, track |
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| retraction | (noun) the act of pulling or holding or drawing a part back | - |
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| (noun) a disavowal or taking back of a previous assertion | Synonyms: abjuration, recantation |
| retractor | (noun) surgical instrument that holds back the edges of a surgical incision | - |
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| rhinotracheitis | (noun) a respiratory infection of the nose and throat in cattle | - |
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| sidetrack | (noun) a short stretch of railroad track used to store rolling stock or enable trains on the same line to pass | Synonyms: railroad siding, siding, turnout |
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| soundtrack | (noun) sound recording on a narrow strip of a motion picture film | - |
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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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| 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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| 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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| toastrack | (noun) a rack for holding slices of toast | - |
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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 | - |
| ultracentrifugation | (noun) centrifugation at very high speeds | - |
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| ultracentrifuge | (noun) a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins | - |
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| ultraconservative | (noun) an extreme conservative; an opponent of progress or liberalism | Synonyms: extreme right-winger, reactionary |
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| unattractiveness | (noun) an ugliness of appearance that is not appealing to viewers | - |
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