/ Dictionary / Index T terpineol: Meaning and Definition of Find definitions for: ter•pin•e•ol Pronunciation: (tûr-pin'ē-ôl", -ol"), [key] — n. Chem. any of several unsaturated, cyclic, tertiary alcohols having the formula CHO, occurring in nature in many essential oils or prepared synthetically: used chiefly in the manufacture of perfumes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. terpene terpin hydrate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language