Definition of oxidase in English:


Line breaks: oxi|dase
Pronunciation: /ˈɒksɪdeɪz


  • An enzyme which promotes the transfer of a hydrogen atom from a particular substrate to an oxygen molecule, forming water or hydrogen peroxide: [with modifier]: cytochrome oxidase
    More example sentences
    • Polyphenol oxidase is the enzyme that makes phenolics react to form brown pigments.
    • Despite many important advances in the understanding of terminal oxidases, the mechanism by which the electron transfer events are coupled to proton translocation is unknown.
    • Briefly, plasma lactic acid is converted to pyruvate and hydrogen peroxide by lactate oxidase.


late 19th century: from French oxydase, from oxyde 'oxide'.

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Pronunciation: skəʊʃ
a small amount; a little