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oxidase

American

[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.

oxidase British

/ -ˌdeɪz, ˈɒksɪˌdeɪs /

noun

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

Other Word Forms

oxidasic adjective

Etymology

Origin of oxidase

First recorded in 1895–1900; oxide + -ase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In this study, the researchers used a zeolite called iron-modified aluminum silicate, paired with an enzyme called alcohol oxidase.

From Science Daily • Dec. 4, 2024

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

Many plants, it turns out, have a gene that allows them to produce oxalate oxidase.

From New York Times • Apr. 30, 2020

The genes for the subunits I and II from cyt aa3 oxidase are found immediately downstream of those for the act genes of the ACIII.

From Nature • Apr. 24, 2018

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023