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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

/ ˈɒksɪˌdeɪs, -ˌdeɪz /

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.

See Examples For:

oxidase

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

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

Arctic Apples, which would first be available in the Golden Delicious and Granny Smith varieties, contain a synthetic gene that sharply reduces production of polyphenol oxidase, an enzyme responsible for the browning.

From New York Times ● Jul. 12, 2012

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