/ Dictionary / Index C cellulosic: Meaning and Definition of Find definitions for: cel•lu•lo•sic Pronunciation: (sel"yu-lō'sik), [key] —adj. of, containing, or derived from cellulose. —n. any cellulosic compound or substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cellulosic (Thesaurus) cellulose triacetate cell wall Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language