還かん元げん酵こう素そかんげんこうそMeanings1nounreductaseA biochemical term for an enzyme that catalyzes a reduction reaction. Often used in technical contexts; the loanword レダクターゼ is also common.See also: レダクターゼこの還かん元げん酵こう素そは、特とく定ていの基き質しつ