[ok-si-juh-neys, -neyz]

noun Biochemistry.

an oxidoreductase enzyme that catalyzes the introduction of molecular oxygen into an organic substance.

Origin of oxygenase

First recorded in 1900–05; oxygen + -ase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for oxygenase


[ŏksĭ-jə-nās′, -nāz′]


An enzyme that catalyzes the incorporation of molecular oxygen into its substrate.direct oxidase
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.