Dictionary

peroxisome

noun per·ox·i·some \pə-ˈräk-sə-ˌsōm\

Definition of PEROXISOME

:  a cytoplasmic cell organelle containing enzymes (as catalase) which act in oxidative reactions and especially in the production and decomposition of hydrogen peroxide
per·ox·i·som·al \-ˌräk-sə-ˈsō-məl\ adjective

Origin of PEROXISOME

peroxide + 3-some
First Known Use: 1965

peroxisome

noun per·ox·i·some \pə-ˈräk-sə-ˌsōm\   (Medical Dictionary)

Medical Definition of PEROXISOME

:  a cytoplasmic cell organelle containing enzymes (as catalase) which act especially in the production and decomposition of hydrogen peroxide—called also microbody
per·ox·i·som·al \-ˌräk-sə-ˈsō-məl\ adjective

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