peroxisome

noun

per·​ox·​i·​some pə-ˈräk-sə-ˌsōm 

: a cytoplasmic cell organelle containing enzymes (such as catalase) which act in oxidative reactions and especially in the production and decomposition of hydrogen peroxide

peroxisomal

pə-ˌräk-sə-ˈsō-məl 

adjective

Word History

Etymology

peroxide + -some entry 3

First Known Use

1965, in the meaning defined above

Medical Definition

peroxisome

noun

per·​ox·​i·​some pə-ˈräk-sə-ˌsōm 

: a cytoplasmic cell organelle containing enzymes (as catalase) which act especially in the production and decomposition of hydrogen peroxide

called also microbody

peroxisomal

-ˌräk-sə-ˈsō-məl 

adjective