/ Dictionary / Index N NADP: Meaning and Definition of Find definitions for: NADP Pronunciation: [key] — Biochem. Biochem. nicotinamide adenine dinucleotide phosphate: a coenzyme, CHNOP, similar in function to NAD in many oxidation-reduction reactions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nadp (Thesaurus) nadir nae Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language