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abietic acid

[ ab-ee-et-ik, ab- ]

noun

, Chemistry.
  1. 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.


abietic acid

/ ˌæbɪˈɛtɪk /

noun

  1. a 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
“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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Word History and Origins

Origin of abietic acid1

1860–65; < Latin abiet- (stem of abiēs ) fir + -ic
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Word History and Origins

Origin of abietic acid1

C19: abietic, from Latin abiēt-, from abiēs silver fir (the acid originally being extracted from the resin)
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Example Sentences

The constituents of rosin are chiefly (80-90%) abietic acid or its anhydride together with pinic and sylvic acids.

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