单词 | benzoic acid |
释义 | benzoic acidnoun Chemistry, Pharmacology.a white, crystalline, slightly water-soluble powder, C7H6O2, usually derived from benzoin or other balsams, or synthesized from phthalic acid or toluene: used chiefly as a preservative, in the synthesis of dyes, and in medicine as a germicide. Also called benzenecarboxylic acid, phenylformic acid. Origin of benzoic acidFirst recorded in 1785–95 Words nearby benzoic acidbenzocaine, benzodiazepine, benzofuran, benzoglyoxaline, benzoic, benzoic acid, benzoin, benzol, benzonatate, benzonitrile, benzophenone Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for benzoic acidbenzoic acid nouna white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C 6 H 5 COOHSystematic name: benzenecarboxylic acid 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 Medical definitions for benzoic acidbenzoic acid [ bĕn-zō′ĭk ] n.An aromatic white crystalline acid used to season tobacco and in perfumes, dentifrices, and germicides. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for benzoic acidbenzoic acid [ bĕn-zō′ĭk ] A white, crystalline acid used in preserving food, as a cosmetic, and in medicine. Benzoic acid consists of a benzene ring with a carboxyl group (COOH) attached. It occurs naturally in some plants. Chemical formula: C7H6O2. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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