/ Dictionary / Index O octyl alcohol: Meaning and Definition of Find definitions for: oc'tyl al'cohol Pronunciation: (ok'tl), [key] — Chem. Chem. any of a group of isomers having the formula CHO, esp. used in making perfumes and as a solvent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. octuplicate octyl phenol Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language