(1) NADPH: acronym for Nicotinamide Adenine Dinucleotide Phosphate.
(2) The reduced form of NADP+; or the result of NADP+ molecule gaining an electron from Hydrogen, i.e. : NADP + H1
(3) The reducing agent in several anabolic reactions such as lipid and nucleic acid syntheses.
(4) An electron carrier capable of donating electrons to certain biosynthetic reactions (as mentioned above).
Word origin: NADP +H1
Compare: NADP, NAD.