Definitions for nadp
Random House Webster's College Dictionary
nicotinamide adenine dinucleotide phosphate: a coenzyme, C21H28N7O17P3, similar in function to NAD in many oxidation-reduction reactions.
nicotinamide adenine dinucleotide phosphate, NADP(noun)
a coenzyme similar to NAD and present in most living cells but serves as a reductant in different metabolic processes
U.S. National Library of Medicine
Nicotinamide adenine dinucleotide phosphate. A coenzyme composed of ribosylnicotinamide 5'-phosphate (NMN) coupled by pyrophosphate linkage to the 5'-phosphate adenosine 2',5'-bisphosphate. It serves as an electron carrier in a number of reactions, being alternately oxidized (NADP+) and reduced (NADPH). (Dorland, 27th ed)