Definition of "peroxisome" []

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

• "Like the omega-3 essential fatty acids, nitrolinoleic acid activates nuclear receptors known as peroxisome proliferator-activated receptors, or PPARs."
• "As you learned in chapter 2, the omega-3s activate nuclear receptors called peroxisome proliferator-activated receptors, or PPARs."
• "It is in the class of drugs known as peroxisome proliferator-activated receptor (PPAR) agonists."