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[ok-si-deys, -deyz] /ˈɒk sɪˌdeɪs, -ˌdeɪz/
noun, Biochemistry
any of a class of oxidoreductases that catalyze the oxidation of a substrate by molecular oxygen with the formation, in most cases, of hydrogen peroxide.
Origin of oxidase
1895-1900; oxide + -ase
Related forms
[ok-si-dey-sik, -zik] /ˌɒk sɪˈdeɪ sɪk, -zɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for oxidase
  • Mitochondrial electron flow to cytochrome respiration is instead shorted thorough an alternative oxidase, producing heat.
  • Some scientists point to high testosterone levels combined with low monoamine oxidase inhibitors, which regulates dopamine.
  • Allopurinol is a xanthine oxidase inhibitor that blocks uric acid production.
  • Dietary restrictions and drug interactions with monoamine oxidase inhibitors: the state of the art.
British Dictionary definitions for oxidase


/ˈɒksɪˌdeɪs; -ˌdeɪz/
any of a group of enzymes that bring about biological oxidation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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oxidase in Medicine

oxidase ox·i·dase (ŏk'sĭ-dās', -dāz')
Any of a group of enzymes that catalyze oxidation, especially an enzyme that reacts with molecular oxygen to catalyze the oxidation of a substrate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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