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shale oil |
Noun
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oil extracted from oil shale by heating |
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spelter |
Noun
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impure zinc containing about three percent lead and other impurities (especially in the form of ingots) |
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strophanthin |
Noun
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a bitter and very toxic glycoside derived from plants of the genus Strophanthus |
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shark oil |
Noun
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a fatty yellow to brown oil obtained from the livers of sharks |
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sperm oil |
Noun
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an animal oil found in the blubber of the sperm whale |
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strontianite |
Noun
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a mineral consisting of strontium carbonate |
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shark-liver oil |
Noun
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a fatty yellow to brown oil obtained from the livers of sharks |
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stacte |
Noun
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(Old Testament) one of several sweet-smelling spices used in incense |
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stucco |
Noun
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a plaster now made mostly from Portland cement and sand and lime |
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stucco |
Verb
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coat with stucco |
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stucco |
Verb
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decorate with stucco work |
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sheep dip |
Noun
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a liquid mixture containing pesticides in which sheep are dipped to kill parasites |
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staphylococcal enterotoxin |
Noun
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a soluble exotoxin produced by some strains of staphylococcus |
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staphylococcal enterotoxin B |
Noun
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a form of staphylococcal enterotoxin that has been used as an incapacitating agent in biological warfare |
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shoe polish |
Noun
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a substance used to produce a shiny protective surface on footwear |
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spinel |
Noun
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a hard glassy mineral consisting of an oxide of magnesium and aluminum |
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shot metal |
Noun
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an alloy that is 98% lead and 2% arsenic |
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spinel ruby |
Noun
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a spinel used as a gemstone (usually dark red) |
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sucrose |
Noun
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a complex carbohydrate found in many plants and used as a sweetening agent |
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saccharose |
Noun
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a complex carbohydrate found in many plants and used as a sweetening agent |
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silicic acid |
Noun
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a jellylike substance (hydrated silica) |
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silicate |
Noun
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a salt or ester derived from silicic acid |
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silicide |
Noun
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any of various compounds of silicon with a more electropositive element or radical |
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silicon carbide |
Noun
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an extremely hard blue-black crystalline compound (SiC) used as an abrasive and a heat refractory material |
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structural iron |
Noun
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iron that has been cast or worked in structural shapes |
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silicone |
Noun
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any of a large class of siloxanes that are unusually stable over a wide range of temperatures |
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structural steel |
Noun
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a strong steel that is rolled into shapes that are used in construction |
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solid solution |
Noun
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a homogeneous solid that can exist over a range of component chemicals |
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silicone polymer |
Noun
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any of a large class of siloxanes that are unusually stable over a wide range of temperatures |
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sulfanilic acid |
Noun
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a crystalline acid made from aniline and used as a dye |
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silicone resin |
Noun
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a polymeric silicone compound |
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sulphanilic acid |
Noun
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a crystalline acid made from aniline and used as a dye |
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spirits of ammonia |
Noun
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a solution of ammonium carbonate in ammonia water and alcohol |
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siloxane |
Noun
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any of a large class of compounds that have alternate silicon and oxygen atoms |
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sulfate |
Noun
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a salt or ester of sulphuric acid |
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sulfate |
Verb
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convert into a sulfate |
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sal volatile |
Noun
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a solution of ammonium carbonate in ammonia water and alcohol |
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silex |
Noun
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a pure form of finely ground silica |
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spodumene |
Noun
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a pyroxene mineral consisting of lithium aluminum silicate |
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sulphate |
Noun
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a salt or ester of sulphuric acid |
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silica |
Noun
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a white or colorless vitreous insoluble solid (SiO2) |
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sulfide |
Noun
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a compound of sulphur and some other element that is more electropositive |
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silicon oxide |
Noun
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a white or colorless vitreous insoluble solid (SiO2) |
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stachyose |
Noun
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a tetrasaccharide found in the tubers of the Chinese artichoke |
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silicon dioxide |
Noun
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a white or colorless vitreous insoluble solid |
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silica gel |
Noun
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a porous form of silica that is highly absorbent |
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silicon bronze |
Noun
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a bronze with 2-3% silicon that is resistant to corrosion |
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stannite |
Noun
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a dark grey mineral with a metallic luster that is a source of tin |
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silt |
Noun
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mud or clay or small rocks deposited by a river or lake |
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silt |
Verb
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become chocked with silt |