| seven | (noun) one of four playing cards in a deck with seven pips on the face | Synonyms: seven-spot |
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| (noun) the cardinal number that is the sum of six and one | Synonyms: 7, heptad, septenary, septet, sevener, VII |
| seventeen | (noun) the cardinal number that is the sum of sixteen and one | Synonyms: 17, XVII |
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| shamisen | (noun) a Japanese stringed instrument resembling a banjo with a long neck and three strings and a fretless fingerboard and a rectangular soundbox; played with a plectrum | Synonyms: samisen |
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| shebeen | (noun) unlicensed drinking establishment | - |
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| sheen | (noun) the visual property of something that shines with reflected light | Synonyms: luster, lustre, shininess |
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| silkscreen | (noun) a print made using a stencil process in which an image or design is superimposed on a very fine mesh screen and printing ink is squeegeed onto the printing surface through the area of the screen that is not covered by the stencil | Synonyms: serigraph, silk screen print |
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| siren | (noun) eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills | - |
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| (noun) an acoustic device producing a loud often wailing sound as a signal or warning | - |
| (noun) a warning signal that is a loud wailing sound | - |
| (noun) a woman who is considered to be dangerously seductive | Synonyms: Delilah, enchantress, femme fatale, temptress |
| sixteen | (noun) the cardinal number that is the sum of fifteen and one | Synonyms: 16, XVI |
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| sloven | (noun) a coarse obnoxious person | Synonyms: pig, slob, slovenly person |
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| smidgen | (noun) a tiny or scarcely detectable amount | Synonyms: iota, scintilla, shred, smidge, smidgeon, smidgin, tittle, whit |
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| smokescreen | (noun) an action intended to conceal or confuse or obscure | Synonyms: smoke screen |
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| (noun) (military) screen consisting of a cloud of smoke that obscures movements | Synonyms: smoke screen |
| specimen | (noun) a bit of tissue or blood or urine that is taken for diagnostic purposes | - |
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| (noun) an example regarded as typical of its class | - |
| spiegeleisen | (noun) pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel | Synonyms: spiegel, spiegel iron |
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| spleen | (noun) a large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses | Synonyms: lien |
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| (noun) a feeling of resentful anger | Synonyms: irascibility, quick temper, short temper |
| stamen | (noun) the male reproductive organ of a flower | - |
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| stercobilinogen | (noun) a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine | Synonyms: urobilinogen |
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| sunscreen | (noun) a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn | Synonyms: sun blocker, sunblock |
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| swamphen | (noun) any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens | Synonyms: gallinule, marsh hen, water hen |
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| tamoxifen | (noun) an antagonist for estrogen that is used in the treatment of breast cancer | Synonyms: estrogen antagonist |
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| teen | (noun) a juvenile between the onset of puberty and maturity | Synonyms: adolescent, stripling, teenager |
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| ten | (noun) one of four playing cards in a deck with ten pips on the face | Synonyms: ten-spot |
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| (noun) the cardinal number that is the sum of nine and one; the base of the decimal system | Synonyms: 10, decade, tenner, X |
| tendergreen | (noun) Asiatic plant cultivated for its swollen root crown and edible foliage | Synonyms: Brassica perviridis, Brassica rapa perviridis, spinach mustard |
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| teratogen | (noun) any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples | - |
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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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| then | (noun) that time; that moment | - |
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| thirteen | (noun) the cardinal number that is the sum of twelve and one | Synonyms: 13, baker's dozen, long dozen, XIII |
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| token | (noun) a metal or plastic disk that can be redeemed or used in designated slot machines | - |
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| (noun) something of sentimental value | Synonyms: keepsake, relic, souvenir |
| (noun) an individual instance of a type of symbol | Synonyms: item |
| (noun) something serving as a sign of something else | - |
| touchscreen | (noun) a computer display that enables the user to interact with the computer by touching areas on the screen | Synonyms: touch screen |
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| trypsinogen | (noun) inactive precursor of trypsin; a substance secreted by the pancreas and converted to active trypsin by enterokinase in the small intestine | - |
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| tungsten | (noun) a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite | Synonyms: atomic number 74, W, wolfram |
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| tureen | (noun) large deep serving dish with a cover; for serving soups and stews | - |
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| unseen | (noun) a belief that there is a realm controlled by a divine spirit | Synonyms: spiritual domain, spiritual world |
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| urobilinogen | (noun) a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine | Synonyms: stercobilinogen |
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| velveteen | (noun) a usually cotton fabric with a short pile imitating velvet | - |
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| vixen | (noun) a female fox | - |
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| (noun) a malicious woman with a fierce temper | Synonyms: harpy, hellcat |
| warden | (noun) the chief official in charge of a prison | - |
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| warren | (noun) a colony of rabbits | - |
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| (noun) an overcrowded residential area | Synonyms: rabbit warren |
| (noun) a series of connected underground tunnels occupied by rabbits | Synonyms: rabbit warren |
| wen | (noun) a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked | Synonyms: pilar cyst, sebaceous cyst, steatocystoma |
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| wiesenboden | (noun) a dark meadow soil rich in organic material; developed through poor drainage in humid grassy or sedge regions | - |
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| windscreen | (noun) transparent screen (as of glass) to protect occupants of a vehicle | Synonyms: windshield |
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| wintergreen | (noun) spicy red berrylike fruit; source of wintergreen oil | Synonyms: boxberry, checkerberry, spiceberry, teaberry |
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| (noun) any of several evergreen perennials of the genus Pyrola | Synonyms: pyrola |
| (noun) creeping shrub of eastern North America having white bell-shaped flowers followed by spicy red berrylike fruit and shiny aromatic leaves that yield wintergreen oil | Synonyms: checkerberry, creeping wintergreen, Gaultheria procumbens, ground-berry, groundberry, mountain tea, teaberry |
| woadwaxen | (noun) small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental | Synonyms: dyer's-broom, dyer's greenweed, dyeweed, Genista tinctoria, greenweed, whin, woodwaxen |
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| woodwaxen | (noun) small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental | Synonyms: dyer's-broom, dyer's greenweed, dyeweed, Genista tinctoria, greenweed, whin, woadwaxen |
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| woolen | (noun) a fabric made from the hair of sheep | Synonyms: wool, woollen |
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| woollen | (noun) a fabric made from the hair of sheep | Synonyms: wool, woolen |
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| wren | (noun) any of several small active brown birds of the Northern Hemisphere with short upright tails; they feed on insects | Synonyms: jenny wren |
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| yen | (noun) a yearning for something or to do something | Synonyms: hankering |
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| (noun) the basic unit of money in Japan; equal to 100 sen | - |
| zymogen | (noun) any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active | Synonyms: proenzyme |
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