/ Dictionary / Index C carnitine: Meaning and Definition of Find definitions for: car•ni•tine Pronunciation: (kär'ni-tēn"), [key] — n. Biochem. a dipolar compound that occurs in muscle and liver and is involved in the transport of fatty acids across the inner mitochondrial membrane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. carnitas carnival Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language