hydrogenase
noun
- type of enzyme
Wiktionary
noun
Etymology: From hydrogen + -ase, after dehydrogenase.
- Any enzyme that catalyzes the reduction of a substrate by the reversible oxidation of hydrogen.
“It is clear from the experiments cited already that we are dealing with a bacterial enzyme comparable with the dehydrogenases, the substrate in this case being molecular hydrogen. […] In order to conform with the accepted terminology we suggest that this enzyme be called "hydrogenase."”