Definition of "peroxidase" []

• Any of a group of enzymes that occur especially in plant cells and catalyze the oxidation of a substance by a peroxide. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If I see the word peroxidase again I will scream! helenj_93 off to red n then to bed ... biology isa test tomorrow D:"
• "In addition, selenium is incorporated at the active site of many proteins, including glutathione peroxidase, which is particularly important for cancer protection."
• ""peroxidase" activity in an enzyme called cyclooxygenase."