peroxidase

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

noun Biochemistry.

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

Origin of peroxidase

First recorded in 1900–05; peroxide + -ase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for peroxidase

  • Esculin will not luminesce with peroxidase and H2O2, but pyrogallol or gallic acid will.

  • The plant extract loses the power to cause such luminescence on boiling and the peroxidase will not dialyze.

British Dictionary definitions for peroxidase

peroxidase

/ (pəˈrɒksɪˌdeɪs, -ˌdeɪz) /

noun

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

Medicine definitions for peroxidase

peroxidase

[ pə-rŏksĭ-dās′, -dāz′ ]

n.

Any of a group of enzymes that occur especially in plant cells and catalyze the oxidation of a substance by a peroxide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.