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peroxisome

[puh-rok-suh-sohm]

noun Cell Biology.

a cell organelle containing catalase, peroxidase, and other oxidative enzymes and performing essential metabolic functions, as the decomposition of fatty acids and hydrogen peroxide.

Origin of peroxisome

First recorded in 1965–70; perox(ide)+ -some³

Related formsper·ox·i·so·mal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for peroxisome

peroxisome

noun

a type of organelle present in most eukaryotic cells that carry out oxidative reactions, such as oxidation of alcohol in the liver

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

peroxisome in Medicine

peroxisome

[pə-rŏk′sĭ-sōm′]

n.

A cell organelle containing enzymes, such as catalase and oxidase, that catalyze the production and breakdown of hydrogen peroxide.microbody

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

peroxisome in Science

peroxisome

[pə-rŏk′sĭ-sōm′]

A cell organelle containing enzymes that catalyze the production and breakdown of hydrogen peroxide.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.