/ Dictionary / Index O octanoic acid: Meaning and Definition of Find definitions for: oc'ta•no'ic ac'id Pronunciation: (ok'tu-nō'ik, ok"-), [key] — Chem. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. octangular Octans Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language