/ Dictionary / Index O oxazine: Meaning and Definition of Find definitions for: ox•a•zine Pronunciation: (ok'su-zēn", -zin), [key] — n. Chem. any of a group of 13 compounds having the formula CHNO, the atoms of which are arranged in a six-membered ring. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oxazepam oxblood Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language