thiourea
[ thahy-oh-yoo-ree-uh, -yoor-ee-uh ]
/ ˌθaɪ oʊ yʊˈri ə, -ˈyʊər i ə /
noun Chemistry.
a colorless, crystalline, bitter-tasting, water-soluble solid, CH4N2S, derived from urea by replacement of the oxygen with sulfur: used chiefly in photography, inorganic synthesis, and to accelerate the vulcanization of rubber.
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Also called thiocarbamide.
Words nearby thiourea
thiosulfuric acid, thiosulphate, thiosulphuric acid, thiothixene, thiouracil, thiourea, thioxanthene, thir, thiram, third, Third Age
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for thiourea
thiourea
/ (ˌθaɪəʊˈjʊərɪə) /
noun
a white water-soluble crystalline substance with a bitter taste that forms addition compounds with metal ions and is used in photographic fixing, rubber vulcanization, and the manufacture of synthetic resins. Formula: H 2 NCSNH 2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for thiourea
thiourea
[ thī′ō-yu-rē′ə ]
A lustrous white crystalline compound used as a developer in photography and photocopying and in various organic syntheses. Thiourea has the same structure as urea, but with a sulfur atom in place of the oxygen atom. Chemical formula: CH4N2S.
The American Heritage® Science Dictionary
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