peroxisome [puh-rok-suh-sohm] Word Origin 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 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
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
peroxisome in Science peroxisome [pə-rŏk′sĭ-sōm′]
- A cell organelle containing enzymes that catalyze the production and breakdown of hydrogen peroxide.