What is "oxygenase"

n. (context enzyme English) An enzyme which catalyses biochemical reactions with oxygen.

n. an oxidoreductase that catalyzes the incorporation of molecular oxygen

An oxygenase is any enzyme that oxidizes a substrate by transferring the oxygen from molecular oxygen O (as in air) to it. The oxygenases form a class of oxidoreductases; their EC number is EC 1.13 or EC 1.14.