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peroxidase

American  
[puh-rok-si-deys, -deyz] / pəˈrɒk sɪˌdeɪs, -ˌdeɪz /

noun

Biochemistry.
  1. any of a class of oxidoreductase enzymes that catalyze the oxidation of a compound by the decomposition of hydrogen peroxide or an organic peroxide.


peroxidase British  
/ pəˈrɒksɪˌdeɪs, -ˌdeɪz /

noun

  1. any of a group of enzymes that catalyse the oxidation of a compound by the decomposition of hydrogen peroxide or an organic peroxide. They generally consist of a protein combined with haem

"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

Etymology

Origin of peroxidase

First recorded in 1900–05; peroxide + -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.

They provide higher stability and lower cost than natural peroxidase, and they are widely used in biomedical research, including biosensors for detection of target molecules in disease diagnostics.

From Science Daily

You may also want to consider selenium, a trace mineral that’s a cofactor in a free radical-quenching enzyme called glutathione peroxidase.

From New York Times

Dependency of a therapy-resistant state of cancer cells on a lipid peroxidase pathway.

From Nature

There, the droplet comes into contact with the peroxidase and catalysts that create the noxious chemicals and the reactions that explode them out of the insect’s rear.

From Science Magazine

These nanozymes mimic the activity of peroxidase, an enzyme that catalyzes the oxidation of a substrate by using hydrogen peroxide as an oxidizing agent.

From Science Daily