/ Dictionary / Index O oxycellulose: Meaning and Definition of Find definitions for: ox•y•cel•lu•lose Pronunciation: (ok"si-sel'yu-lōs"), [key] — n. Chem. any substance formed naturally or synthetically by the oxidation of cellulose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oxycalcium light oxycephaly Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language