sika | (noun) small deer of Japan with slightly forked antlers | Synonyms: Cervus nippon, Cervus sika, Japanese deer |
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silage | (noun) fodder harvested while green and kept succulent by partial fermentation as in a silo | Synonyms: ensilage |
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sild | (noun) any of various young herrings (other than brislings) canned as sardines in Norway | - |
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sildenafil | (noun) virility drug (trade name Viagra) used to treat erectile dysfunction in men | Synonyms: sildenafil citrate, Viagra |
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silence | (noun) the absence of sound | Synonyms: quiet |
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(noun) a refusal to speak when expected | Synonyms: muteness |
(noun) the trait of keeping things secret | Synonyms: secrecy, secretiveness |
(noun) the state of being silent (as when no one is speaking) | - |
silencer | (noun) a tubular acoustic device inserted in the exhaust system that is designed to reduce noise | Synonyms: muffler |
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(noun) short tube attached to the muzzle of a gun that deadens the sound of firing | - |
silene | (noun) any plant of the genus Silene | Synonyms: campion, catchfly |
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silents | (noun) a movie without a soundtrack | Synonyms: silent movie, silent picture |
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silenus | (noun) any of the minor woodland deities who were companions of Dionysus (similar to the satyrs) | - |
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silesia | (noun) a sturdy twill-weave cotton fabric; used for pockets and linings | - |
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silex | (noun) a pure form of finely ground silica | - |
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silhouette | (noun) a drawing of the outline of an object; filled in with some uniform color | - |
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(noun) an outline of a solid object (as cast by its shadow) | - |
silica | (noun) a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite | Synonyms: silicon dioxide, silicon oxide |
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silicate | (noun) a salt or ester derived from silicic acid | - |
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silicide | (noun) any of various compounds of silicon with a more electropositive element or radical | - |
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silicle | (noun) short broad silique occurring in some cruciferous plants | - |
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silicon | (noun) a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors | Synonyms: atomic number 14, Si |
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silicone | (noun) any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation | Synonyms: silicone polymer |
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silicosis | (noun) a lung disease caused by inhaling particles of silica or quartz or slate | - |
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siliqua | (noun) narrow elongated seed capsule peculiar to the family Cruciferae | Synonyms: silique |
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silique | (noun) narrow elongated seed capsule peculiar to the family Cruciferae | Synonyms: siliqua |
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silk | (noun) a fabric made from the fine threads produced by certain insect larvae | - |
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(noun) animal fibers produced by silkworms and other larvae that spin cocoons and by most spiders | - |
silkgrass | (noun) valuable forage grass of dry upland areas and plains of western North America to northern Mexico | Synonyms: Indian millet, mountain rice, Oryzopsis hymenoides, silk grass |
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silkiness | (noun) the smooth feel of silk fabric | Synonyms: sleekness |
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silks | (noun) the brightly colored garments of a jockey; emblematic of the stable | - |
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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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silkweed | (noun) any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts | Synonyms: milkweed |
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silkwood | (noun) a fast-growing tropical American evergreen having white flowers and fleshy edible fruit; a bark yields a silky fiber used in cordage and wood is valuable for staves | Synonyms: calabur tree, calabura, Jamaican cherry, Muntingia calabura, silk wood |
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silkworm | (noun) the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk | - |
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(noun) larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon | Synonyms: giant silkworm, wild wilkworm |
sill | (noun) structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure | - |
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(noun) (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock | - |
sillabub | (noun) sweetened cream beaten with wine or liquor | Synonyms: syllabub |
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(noun) spiced hot milk with rum or wine | Synonyms: syllabub |
silliness | (noun) a ludicrous folly | Synonyms: absurdity, fatuity, fatuousness |
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(noun) an impulsive scatterbrained manner | Synonyms: giddiness |
silly | (noun) a word used for misbehaving children | - |
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silo | (noun) a cylindrical tower used for storing silage | - |
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(noun) military installation consisting of an underground structure where ballistic missiles can be stored and fired | - |
siloxane | (noun) any of a large class of compounds that have alternate silicon and oxygen atoms | - |
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silt | (noun) mud or clay or small rocks deposited by a river or lake | - |
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siltstone | (noun) a fine-grained sandstone of consolidated silt | - |
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silurid | (noun) Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin | Synonyms: silurid fish |
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silva | (noun) the forest trees growing in a country or region | Synonyms: sylva |
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silvan | (noun) a spirit that lives in or frequents the woods | Synonyms: sylvan |
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silver | (noun) silverware eating utensils | Synonyms: flatware |
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(noun) a trophy made of silver (or having the appearance of silver) that is usually awarded for winning second place in a competition | Synonyms: silver medal |
(noun) a light shade of grey | Synonyms: ash gray, ash grey, silver gray, silver grey |
(noun) coins made of silver | - |
(noun) a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography | Synonyms: Ag, atomic number 47 |
silverback | (noun) an adult male gorilla with grey hairs across the back | - |
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silverberry | (noun) deciduous unarmed North American shrub with silvery leaves and fruits | Synonyms: Elaeagnus commutata, silver-bush, silver berry, silverbush |
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silverbush | (noun) deciduous unarmed North American shrub with silvery leaves and fruits | Synonyms: Elaeagnus commutata, silver-bush, silver berry, silverberry |
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(noun) silvery hairy European shrub with evergreen foliage and pale yellow flowers | Synonyms: Anthyllis barba-jovis, Jupiter's beard, silver-bush |
silverfish | (noun) a silvery variety of Carassius auratus | - |
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(noun) silver-grey wingless insect found in houses feeding on book bindings and starched clothing | Synonyms: Lepisma saccharina |
silverpoint | (noun) a drawing made on specially prepared paper with an instrument having a silver tip (15th and 16th centuries) | - |
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silverrod | (noun) plant of eastern North America having creamy white flowers | Synonyms: Solidago bicolor |
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silverside | (noun) small fishes having a silver stripe along each side; abundant along the Atlantic coast of the United States | Synonyms: silversides |
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silversides | (noun) small fishes having a silver stripe along each side; abundant along the Atlantic coast of the United States | Synonyms: silverside |
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(noun) the common North American shiner | Synonyms: common shiner, Notropis cornutus |
silversmith | (noun) someone who makes or repairs articles of silver | Synonyms: silver-worker, silverworker |
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silverspot | (noun) butterfly with silver spots on the underside of the hind wings | - |
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silversword | (noun) low-growing plant found only in volcanic craters on Hawaii having rosettes of narrow pointed silver-green leaves and clusters of profuse red-purple flowers on a tall stem | Synonyms: Argyroxiphium sandwicense |
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silvertip | (noun) powerful brownish-yellow bear of the uplands of western North America | Synonyms: grizzly, grizzly bear, silver-tip, Ursus arctos horribilis, Ursus horribilis |
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silvervine | (noun) ornamental vine of eastern Asia having yellow edible fruit and leaves with silver-white markings | Synonyms: Actinidia polygama, silver vine |
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silverware | (noun) tableware made of silver or silver plate or pewter or stainless steel | - |
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silverweed | (noun) any of various twining shrubs of the genus Argyreia having silvery leaves and showy purple flowers | - |
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(noun) low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia | Synonyms: goose-tansy, goose grass, Potentilla anserina |
silverwork | (noun) decorative work made of silver | - |
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silverworker | (noun) someone who makes or repairs articles of silver | Synonyms: silver-worker, silversmith |
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silvex | (noun) a herbicide that is effective in controlling woody plants but is toxic to animals | - |
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silviculture | (noun) the branch of forestry dealing with the development and care of forests | - |
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sima | (noun) rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium | - |
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simal | (noun) East Indian silk cotton tree yielding fibers inferior to kapok | Synonyms: Bombax ceiba, Bombax malabarica, red silk-cotton tree |
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simarre | (noun) a fur-lined coat decorated with braid, worn in the sixteenth century. | Synonyms: chamarre, chimer |
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simazine | (noun) a herbicide used to control weeds (especially among crops) | - |
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simian | (noun) an ape or monkey | - |
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similarity | (noun) the quality of being similar | - |
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(noun) a Gestalt principle of organization holding that (other things being equal) parts of a stimulus field that are similar to each other tend to be perceived as belonging together as a unit | Synonyms: law of similarity |
simile | (noun) a figure of speech that expresses a resemblance between things of different kinds (usually formed with `like' or `as') | - |
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similitude | (noun) a duplicate copy | Synonyms: counterpart, twin |
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(noun) similarity in appearance or character or nature between persons or things | Synonyms: alikeness, likeness |
simmer | (noun) temperature just below the boiling point | - |
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simmering | (noun) cooking in a liquid that has been brought to a boil | Synonyms: boiling, stewing |
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simmpleness | (noun) absence of affectation or pretense | Synonyms: simplicity |
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simnel | (noun) a crisp bread of fine white flour | - |
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(noun) a fruitcake (sometimes covered with almond paste) eaten at mid-Lent or Easter or Christmas | - |
simoleons | (noun) informal terms for money | Synonyms: boodle, bread, cabbage, clams, dinero, dough, gelt, kale, lettuce, lolly, loot, lucre, moolah, pelf, scratch, shekels, sugar, wampum |
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simony | (noun) traffic in ecclesiastical offices or preferments | Synonyms: barratry |
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simoom | (noun) a violent hot sand-laden wind on the deserts of Arabia and North Africa | Synonyms: samiel, simoon |
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simoon | (noun) a violent hot sand-laden wind on the deserts of Arabia and North Africa | Synonyms: samiel, simoom |
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simper | (noun) a silly self-conscious smile | - |
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simperer | (noun) a smiler whose smile is silly and self-conscious and sometimes coy | - |
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simple | (noun) a person lacking intelligence or common sense | Synonyms: simpleton |
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(noun) any herbaceous plant having medicinal properties | - |
simpleness | (noun) the quality of being simple or uncompounded | Synonyms: simplicity |
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(noun) lack of ornamentation | Synonyms: chasteness, restraint, simplicity |
(noun) freedom from difficulty or hardship or effort | Synonyms: ease, easiness, simplicity |
(noun) a lack of penetration or subtlety | Synonyms: simple mindedness, simplicity |
simpleton | (noun) a person lacking intelligence or common sense | Synonyms: simple |
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simplicity | (noun) freedom from difficulty or hardship or effort | Synonyms: ease, easiness, simpleness |
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(noun) lack of ornamentation | Synonyms: chasteness, restraint, simpleness |
(noun) the quality of being simple or uncompounded | Synonyms: simpleness |
(noun) absence of affectation or pretense | Synonyms: simmpleness |
(noun) a lack of penetration or subtlety | Synonyms: simple mindedness, simpleness |
simplification | (noun) elimination of superfluous details | - |
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(noun) the act of reducing complexity | Synonyms: reduction |
(noun) an explanation that omits superfluous details and reduces complexity | - |
simplism | (noun) an act of excessive simplification; the act of making something seem simpler than it really is | Synonyms: oversimplification |
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(noun) an explanation that simplifies too far to the point of misrepresentation | Synonyms: oversimplification |
simulacrum | (noun) a representation of a person (especially in the form of sculpture) | Synonyms: effigy, image |
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(noun) an insubstantial or vague semblance | - |
simulation | (noun) the act of giving a false appearance | Synonyms: feigning, pretence, pretending, pretense |
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(noun) the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training) | - |
(noun) representation of something (sometimes on a smaller scale) | Synonyms: model |
(noun) (computer science) the technique of representing the real world by a computer program | Synonyms: computer simulation |
simulator | (noun) a machine that simulates an environment for the purpose of training or research | - |
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simulcast | (noun) a broadcast that is carried simultaneously by radio and television (or by FM and AM radio) | - |
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simultaneity | (noun) happening or existing or done at the same time | Synonyms: simultaneousness |
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simultaneousness | (noun) happening or existing or done at the same time | Synonyms: simultaneity |
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simvastatin | (noun) an oral lipid-lowering medicine (trade name Zocor) administered to reduce blood cholesterol levels; recommended after heart attacks | Synonyms: Zocor |
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sin | (noun) an act that is regarded by theologians as a transgression of God's will | Synonyms: sinning |
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(noun) estrangement from god | Synonyms: sinfulness, wickedness |
(noun) the 21st letter of the Hebrew alphabet | - |
(noun) ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle | Synonyms: sine |
sinapism | (noun) a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient | Synonyms: mustard plaster |
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sincerity | (noun) the quality of being open and truthful; not deceitful or hypocritical | - |
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(noun) the trait of being serious | Synonyms: earnestness, serious-mindedness, seriousness |
(noun) a quality of naturalness and simplicity | Synonyms: unassumingness |
(noun) an earnest and sincere feeling | Synonyms: earnestness, seriousness |
sinciput | (noun) the front part of the head or skull (including the forehead) | - |
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sine | (noun) ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle | Synonyms: sin |
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sinecure | (noun) an office that involves minimal duties | - |
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(noun) a benefice to which no spiritual or pastoral duties are attached | - |
sinew | (noun) possessing muscular strength | Synonyms: brawn, brawniness, heftiness, muscle, muscularity |
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(noun) a cord or band of inelastic tissue connecting a muscle with its bony attachment | Synonyms: tendon |
sinfulness | (noun) estrangement from god | Synonyms: sin, wickedness |
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singalong | (noun) informal group singing of popular songs | Synonyms: singsong |
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