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peroxidase

[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.
Origin of peroxidase
1900-1905
First recorded in 1900-05; peroxide + -ase
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for peroxidase
Historical Examples
  • The plant extract loses the power to cause such luminescence on boiling and the peroxidase will not dialyze.

    The Nature of Animal Light E. Newton Harvey
  • Esculin will not luminesce with peroxidase and H2O2, but pyrogallol or gallic acid will.

    The Nature of Animal Light E. Newton Harvey
  • This peroxidase was found in the skins of black agouti, chocolate and blue rabbits, but not in yellow or orange rabbits.

British Dictionary definitions for peroxidase

peroxidase

/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
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peroxidase in Medicine

peroxidase per·ox·i·dase (pə-rŏk'sĭ-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.
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