/ Dictionary / Index P phosphocreatine: Meaning and Definition of Find definitions for: phos•pho•cre•a•tine Pronunciation: (fos"fō-krē'u-tēn", -tin), [key] — n. Biochem. a compound, CHONP, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phosphocreatine (Thesaurus) phospho- phospholipase Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language