definition of alcohol dehydrogenase
alÂ·coÂ·hol deÂ·hyÂ·droÂ·genÂ·ase (ADH), An oxidoreductase that reversibly converts an alcohol to an aldehyde (or ketone) with NAD + as the hydride acceptor; for example, ethanol + NAD + â acetaldehyde + NADH. See also: alcohol dehydrogenase (acceptor), alcohol dehydrogenase (NADP+).