oxidase

American  

[ok-si-deys, -deyz] / ˈɒk sɪˌdeɪs, -ˌdeɪz /

noun

Biochemistry.

1. 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.

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oxidase British  

/ -ˌdeɪz, ˈɒksɪˌdeɪs /

noun

1. any of a group of enzymes that bring about biological oxidation

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Other Word Forms

• oxidasic
  adjective

Etymology

Origin of oxidase

First recorded in 1895–1900; oxide + -ase

Example Sentences

To achieve that goal, the team developed a treatment encapsulating an enzyme called lactate oxidase into a tiny nanocapsule that reduces lactate levels and releases hydrogen peroxide in the tumor.

From Science Daily • Oct. 11, 2023

As shown in Figure 7.11, cyanide inhibits the electron transport chain by competing with O2 molecules for the cytochrome c oxidase heme group.

From Textbooks • Jun. 9, 2022

Just like apples that turn brown after slicing, eggplants also contain the enzyme polyphenol oxidase.

From Salon • Jul. 28, 2021

This gene encodes the enzyme GA20 oxidase 2, which catalyses the production of highly active forms of gibberellin3,4.

From Nature • Jul. 14, 2020

Okanagan’s application to the Agriculture Department says the lack of polyphenol oxidase does not harm the apples or the trees.

From New York Times • Jul. 12, 2012