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superoxide dismutase

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noun superoxide dis·mut·ase \-dis-ˈmyü-ˌtās, -ˌtāz\

Definition of superoxide dismutase

  1. :  a metal-containing antioxidant enzyme that reduces harmful free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide



Origin of superoxide dismutase

dismutation (simultaneous oxidation and reduction) + -ase


First Known Use: 1969


Medical Dictionary

superoxide dismutase

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noun superoxide dis·mu·tase \-ˈdis-myü-ˌtās\

Medical Definition of superoxide dismutase

  1. :  a metal-containing antioxidant enzyme that reduces potentially harmful free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide—abbreviation SOD




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