/ Dictionary / Index O oxyacid: Meaning and Definition of Find definitions for: ox•y•ac•id Pronunciation: (ok'sē-as"id), [key] — n. Chem. an inorganic acid containing oxygen. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oxyacid (Thesaurus) oxyacetylene oxyaldehyde Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language