nicotinamide adenine dinucleotide phosphate: a coenzyme similar to NAD and present in most living cells but serves as a reductant in different metabolic processes
coenzyme: a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
certified public accountant: an accountant who has passed certain examinations and met all other statutory and licensing requirements of a United States state to be certified by that state