| 单词 | abietic acid |
| 释义 | abietic acid[ ab-ee-et-ik, ab- ] / ˈæb iˈɛt ɪk, ˌæb- / noun Chemistry.a yellow, crystalline, water-insoluble acid, C20H30O2, obtained from the resin of a species of pine: used chiefly in driers, varnishes, and soaps. Also called sylvic acid. Origin of abietic acid1860–65; <Latin abiet- (stem of abiēs) fir + -ic Words nearby abietic acidAbidjan, Abie, abient, à bientôt, abietate, abietic acid, abigail, Abihu, Abilene, Abilify, ability Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for abietic acidabietic acid / (ˌæbɪˈɛtɪk) / nouna yellowish powder occurring naturally as a constituent of rosin and used in lacquers, varnishes, and soap. Formula: C 19 H 29 COOH; melting pt: 173°C Word Origin for abietic acidC19: abietic, from Latin abiēt-, from abiēs silver fir (the acid originally being extracted from the resin) 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 |
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