/ Dictionary / Index N nonanoic acid: Meaning and Definition of Find definitions for: non'a•no'ic ac'id Pronunciation: (non'u-nō'ik, non"-), [key] — Chem. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. no-name non-A, non-B hepatitis Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language