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superorder Acanthopterygiisuperorder Labyrinthodonta
superorder Labyrinthodontia
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superoxide anion
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Superphosphate of lime
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Full-text Search for "superoxide dismutase"
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superoxide dismutase definitions
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WordNet (r) 3.0 (2005)
n
1: an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen; "oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes" [syn: superoxide dismutase, SOD]
Merriam Webster's
noun Etymology: dismutation (simultaneous oxidation and reduction) + -ase Date: 1969 a metal-containing antioxidant enzyme that reduces harmful free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide
