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.

1965–70; perox(ide)+ -some3

peroxisomal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
peroxisome (pəˈrɒksɪˌsəʊm)
a type of organelle present in most eukaryotic cells that carry out oxidative reactions, such as oxidation of alcohol in the liver

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American Heritage
Medical Dictionary

peroxisome per·ox·i·some (pə-rŏk'sĭ-sōm')
A cell organelle containing enzymes, such as catalase and oxidase, that catalyze the production and breakdown of hydrogen peroxide. Also called microbody.

The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
peroxisome   (pə-rŏk'sĭ-sōm')  Pronunciation Key 
A cell organelle containing enzymes that catalyze the production and breakdown of hydrogen peroxide.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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