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[tur-pin-ee-awl, -ol]
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noun Chemistry.
  1. any of several unsaturated, cyclic, tertiary alcohols having the formula C10H18O, occurring in nature in many essential oils or prepared synthetically: used chiefly in the manufacture of perfumes.
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Origin of terpineol

1840–50; terpine (terp(ene) + -ine2) + -ol2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for terpineol


  1. a terpene alcohol with an odour of lilac, present in several essential oils. A mixture of the isomers is used as a solvent and in flavourings and perfumes. Formula: C 10 H 17 OH
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Word Origin

C20: from terpene + -ine ² + -ol 1
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