/ Dictionary / Index C cellular respiration: Meaning and Definition of Find definitions for: cel'lular respira'tion Pronunciation: [key] — Physiol. Physiol. the oxidation of organic compounds that occurs within cells, producing energy for cellular processes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cellular phone cellulase Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language