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abietic acid

[ab-ee-et-ik, ab-] /ˈæb iˈɛt ɪk, ˌæb-/
noun, Chemistry.
a yellow, crystalline, water-insoluble acid, C 20 H 30 O 2 , obtained from the resin of a species of pine: used chiefly in driers, varnishes, and soaps.
Also called sylvic acid.
Origin of abietic acid
1860-65; < Latin abiet- (stem of abiēs) fir + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for abietic acid
Historical Examples
  • The constituents of rosin are chiefly (80-90%) abietic acid or its anhydride together with pinic and sylvic acids.

    Soap-Making Manual E. G. Thomssen
British Dictionary definitions for abietic acid

abietic acid

a yellowish powder occurring naturally as a constituent of rosin and used in lacquers, varnishes, and soap. Formula: C19H29COOH; melting pt: 173°C
Word Origin
C19: 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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