abietic acid(redirected from Abietinic acid)
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A yellowish resinous powder, C20H30O2, isolated from rosin and used in lacquers, varnishes, and soaps.
[From Latin abiēs, abiet-, silver fir.]
(Elements & Compounds) a yellowish powder occurring naturally as a constituent of rosin and used in lacquers, varnishes, and soap. Formula: C19H29COOH; melting pt: 173°C
[C19: abietic, from Latin abiēt-, from abiēs silver fir (the acid originally being extracted from the resin)]