| pneumogastric | (noun) a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera | Synonyms: nervus vagus, pneumogastric nerve, tenth cranial nerve, vagus, vagus nerve, wandering nerve |
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| postmistress | (noun) a woman postmaster | - |
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| prostration | (noun) the act of assuming a prostrate position | - |
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| (noun) abject submission; the emotional equivalent of prostrating your body | - |
| (noun) an abrupt failure of function or complete physical exhaustion | Synonyms: collapse |
| pyrochemistry | (noun) processes for chemical reactions at high temperatures | Synonyms: pyrochemical process |
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| radiochemistry | (noun) the chemistry of radioactive substances | Synonyms: nuclear chemistry |
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| reconstruction | (noun) the activity of constructing something again | - |
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| (noun) recall that is hypothesized to work by storing abstract features which are then used to construct the memory during recall | Synonyms: reconstructive memory |
| (noun) an interpretation formed by piecing together bits of evidence | - |
| redistribution | (noun) distributing again | - |
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| registrant | (noun) a person who is formally entered (along with others) in a register (and who obtains certain rights thereby) | - |
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| registrar | (noun) someone responsible for keeping records | Synonyms: record-keeper, recorder |
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| (noun) the administrator responsible for student records | - |
| (noun) a person employed to keep a record of the owners of stocks and bonds issued by the company | - |
| registration | (noun) the act of enrolling | Synonyms: enrollment, enrolment |
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| (noun) the act of adjusting something to match a standard | Synonyms: adjustment, readjustment |
| (noun) (music) the sound property resulting from a combination of organ stops used to perform a particular piece of music; the technique of selecting and adjusting organ stops | - |
| (noun) a document certifying an act of registering | - |
| (noun) the body of people (such as students) who register or enroll at the same time | Synonyms: enrollment |
| registry | (noun) an official written record of names or events or transactions | Synonyms: register |
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| remonstrance | (noun) the act of expressing earnest opposition or protest | Synonyms: expostulation, objection, remonstration |
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| remonstration | (noun) the act of expressing earnest opposition or protest | Synonyms: expostulation, objection, remonstrance |
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| restrainer | (noun) a person who directs and restrains | Synonyms: controller |
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| (noun) a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film | - |
| restraint | (noun) the act of controlling by restraining someone or something | - |
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| (noun) a device that retards something's motion | Synonyms: constraint |
| (noun) discipline in personal and social activities | Synonyms: control |
| (noun) lack of ornamentation | Synonyms: chasteness, simpleness, simplicity |
| (noun) a rule or condition that limits freedom | - |
| (noun) the state of being physically constrained | Synonyms: constraint |
| restriction | (noun) an act of limiting or restricting (as by regulation) | Synonyms: limitation |
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| (noun) the act of keeping something within specified bounds (by force if necessary) | Synonyms: confinement |
| (noun) a principle that limits the extent of something | Synonyms: limitation |
| restrictiveness | (noun) a lack of permissiveness or indulgence and a tendency to confine behavior within certain specified limits | Synonyms: unpermissiveness |
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| (noun) a grammatical qualification that makes the meaning more specific (`red hat' has a more specific meaning than `hat') | - |
| restroom | (noun) a toilet that is available to the public | Synonyms: comfort station, convenience, public convenience, public lavatory, public toilet, toilet facility, wash room |
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| rostrum | (noun) beaklike projection of the anterior part of the head of certain insects such as e.g. weevils | Synonyms: snout |
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| (noun) a platform raised above the surrounding level to give prominence to the person on it | Synonyms: ambo, dais, podium, pulpit, soapbox, stump |
| schoolmistress | (noun) a woman schoolteacher (especially one regarded as strict) | Synonyms: mistress, schoolma'am, schoolmarm |
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| seamstress | (noun) a woman who makes or mends dresses | Synonyms: modiste, needlewoman, sempstress |
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| sempstress | (noun) a woman who makes or mends dresses | Synonyms: modiste, needlewoman, seamstress |
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| sequestration | (noun) the act of segregating or sequestering | Synonyms: segregation |
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| (noun) seizing property that belongs to someone else and holding it until profits pay the demand for which it was seized | Synonyms: requisition |
| (noun) a writ that authorizes the seizure of property | - |
| (noun) the action of forming a chelate or other stable compound with an ion or atom or molecule so that it is no longer available for reactions | - |
| shoestring | (noun) a lace used for fastening shoes | Synonyms: shoe lace, shoe string, shoelace |
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| (noun) a small amount of money | Synonyms: shoe string |
| sidestroke | (noun) a swimming stroke in which the arms move forward and backward while the legs do a scissors kick | - |
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| sinistrality | (noun) preference for using the left hand | Synonyms: left-handedness |
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| slipstream | (noun) the flow of air that is driven backwards by an aircraft propeller | Synonyms: airstream, backwash, race, wash |
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| songstress | (noun) a woman songster (especially of popular songs) | - |
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| sophistry | (noun) a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone | Synonyms: sophism, sophistication |
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| stilbestrol | (noun) a potent estrogen used in medicine and in feed for livestock and poultry | Synonyms: DES, diethylstilbestrol, diethylstilboestrol, stilboestrol |
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| stilboestrol | (noun) a potent estrogen used in medicine and in feed for livestock and poultry | Synonyms: DES, diethylstilbestrol, diethylstilboestrol, stilbestrol |
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| strabismus | (noun) abnormal alignment of one or both eyes | Synonyms: squint |
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| strabotomy | (noun) the surgical operation of cutting a muscle or tendon of the eye in order to correct strabismus | - |
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| straddle | (noun) the act of sitting or standing astride | Synonyms: span |
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| (noun) the option to buy or sell a given stock (or stock index or commodity future) at a given price before a given date; consists of an equal number of put and call options | - |
| (noun) a gymnastic exercise performed with a leg on either side of the parallel bars | - |
| (noun) a noncommittal or equivocal position | - |
| strafe | (noun) an attack of machine-gun fire or cannon fire from a low flying airplane | - |
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| strafer | (noun) a combat pilot who strafes the enemy | - |
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| straggle | (noun) a wandering or disorderly grouping (of things or persons) | - |
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| straggler | (noun) someone who strays or falls behind | Synonyms: strayer |
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| straight | (noun) a straight segment of a roadway or racecourse | Synonyms: straightaway |
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| (noun) a poker hand with 5 consecutive cards (regardless of suit) | - |
| (noun) a person having a sexual orientation to persons of the opposite sex | Synonyms: heterosexual, heterosexual person, straight person |
| straightaway | (noun) a straight segment of a roadway or racecourse | Synonyms: straight |
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| straightedge | (noun) hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness) | - |
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| straightener | (noun) a device for straightening | - |
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| straightforwardness | (noun) the quality of being direct and straightforward | Synonyms: downrightness |
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| (noun) without hypocrisy | Synonyms: singleness |
| straightjacket | (noun) a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person | Synonyms: straitjacket |
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| straightness | (noun) a sexual attraction to (or sexual relations with) persons of the opposite sex | Synonyms: heterosexualism, heterosexuality |
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| (noun) freedom from crooks or curves or bends or angles | - |
| (noun) (of hair) lack of a tendency to curl | - |
| (noun) having honest intentions | Synonyms: good faith |
| (noun) trueness of course toward a goal | Synonyms: directness |
| strain | (noun) an effortful attempt to attain a goal | Synonyms: nisus, pains, striving |
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| (noun) the act of singing | Synonyms: song |
| (noun) an intense or violent exertion | Synonyms: straining |
| (noun) the general meaning or substance of an utterance | Synonyms: tenor |
| (noun) a succession of notes forming a distinctive sequence | Synonyms: air, line, melodic line, melodic phrase, melody, tune |
| (noun) a special variety of domesticated animals within a species | Synonyms: breed, stock |
| (noun) (biology) a group of organisms within a species that differ in trivial ways from similar groups | Synonyms: form, var., variant |
| (noun) (physics) deformation of a physical body under the action of applied forces | - |
| (noun) injury to a muscle (often caused by overuse); results in swelling and pain | - |
| (noun) (psychology) nervousness resulting from mental stress | Synonyms: mental strain, nervous strain |
| (noun) difficulty that causes worry or emotional tension | Synonyms: stress |
| strainer | (noun) a filter to retain larger pieces while smaller pieces and liquids pass through | - |
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| straining | (noun) the act of distorting something so it seems to mean something it was not intended to mean | Synonyms: distortion, overrefinement, torture, twisting |
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| (noun) an intense or violent exertion | Synonyms: strain |
| strait | (noun) a narrow channel of the sea joining two larger bodies of water | Synonyms: sound |
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| (noun) a bad or difficult situation or state of affairs | Synonyms: pass, straits |
| straitjacket | (noun) a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person | Synonyms: straightjacket |
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| (noun) anything immaterial that severely hinders or confines | - |
| straits | (noun) a difficult juncture | Synonyms: head, pass |
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| (noun) a bad or difficult situation or state of affairs | Synonyms: pass, strait |
| strake | (noun) thick plank forming a ridge along the side of a wooden ship | Synonyms: wale |
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| strand | (noun) a necklace made by stringing objects together | Synonyms: chain, string |
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| (noun) line consisting of a complex of fibers or filaments that are twisted together to form a thread or a rope or a cable | - |
| (noun) a pattern forming a unity within a larger structural whole | - |
| (noun) a poetic term for a shore (as the area periodically covered and uncovered by the tides) | - |
| (noun) a very slender natural or synthetic fiber | Synonyms: fibril, filament |
| strangeness | (noun) unusualness as a consequence of not being well known | Synonyms: unfamiliarity |
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| (noun) the quality of being alien or not native | Synonyms: curiousness, foreignness |
| (noun) (physics) one of the six flavors of quark, the third lightest of all quarks | - |
| stranger | (noun) anyone who does not belong in the environment in which they are found | Synonyms: alien, unknown |
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| (noun) an individual that one is not acquainted with | - |
| stranglehold | (noun) a wrestling hold in which the arms are pressed against the opponent's windpipe | - |
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| (noun) complete power over a person or situation | Synonyms: chokehold, throttlehold |
| 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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| streak | (noun) a narrow marking of a different color or texture from the background | Synonyms: bar, stripe |
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| (noun) a distinctive characteristic | - |
| (noun) a sudden flash (as of lightning) | - |
| (noun) an unbroken series of events | Synonyms: run |
| streaker | (noun) someone who takes off all their clothes and runs naked through a public place | - |
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| stream | (noun) the act of flowing or streaming; continuous progression | Synonyms: flow |
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| (noun) a steady flow of a fluid (usually from natural causes) | Synonyms: current |
| (noun) dominant course (suggestive of running water) of successive events or ideas | Synonyms: current, flow |
| (noun) a natural body of running water flowing on or under the earth | Synonyms: watercourse |
| (noun) something that resembles a flowing stream in moving continuously | Synonyms: flow |
| streambed | (noun) a channel occupied (or formerly occupied) by a stream | Synonyms: creek bed |
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| streamer | (noun) long strip of cloth or paper used for decoration or advertising | Synonyms: banner |
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| (noun) a long flag; often tapering | Synonyms: pennant, pennon, waft |
| (noun) a newspaper headline that runs across the full page | Synonyms: banner |
| (noun) light that streams | - |
| streaming | (noun) the circulation of cytoplasm within a cell | Synonyms: cyclosis |
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| streamlet | (noun) a small stream | Synonyms: rill, rivulet, run, runnel |
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| streamliner | (noun) a streamlined train | - |
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| street | (noun) a thoroughfare (usually including sidewalks) that is lined with buildings | - |
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| (noun) the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel | - |
| (noun) people living or working on the same street | - |
| (noun) the streets of a city viewed as a depressed environment in which there is poverty and crime and prostitution and dereliction | - |
| (noun) a situation offering opportunities | - |
| streetcar | (noun) a wheeled vehicle that runs on rails and is propelled by electricity | Synonyms: tram, tramcar, trolley, trolley car |
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| streetlight | (noun) a lamp supported on a lamppost; for illuminating a street | Synonyms: street lamp |
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| streetwalker | (noun) a prostitute who attracts customers by walking the streets | Synonyms: floozie, floozy, hooker, hustler, slattern, street girl |
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| strength | (noun) the property of being physically or mentally strong | - |
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| (noun) an asset of special worth or utility | Synonyms: forte, long suit, metier, speciality, specialty, strong point, strong suit |
| (noun) permanence by virtue of the power to resist stress or force | Synonyms: durability, enduringness, lastingness |
| (noun) the amount of energy transmitted (as by acoustic or electromagnetic radiation) | Synonyms: intensity, intensity level |
| (noun) capability in terms of personnel and materiel that affect the capacity to fight a war | Synonyms: military capability, military posture, military strength, posture |
| (noun) physical energy or intensity | Synonyms: force, forcefulness |
| (noun) capacity to produce strong physiological or chemical effects | Synonyms: effectiveness, potency |
| (noun) the power to induce the taking of a course of action or the embracing of a point of view by means of argument or entreaty | Synonyms: persuasiveness |
| (noun) the condition of financial success | - |
| strengthener | (noun) a device designed to provide additional strength | Synonyms: reinforcement |
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