Medical Dictionary

selenium

noun se·le·ni·um \sə-ˈlē-nē-əm\

Medical Definition of SELENIUM

:  a nonmetallic photosensitive element that occurs in both crystalline and amorphous forms, is an essential trace element found especially in grains and meat, and is used chiefly in glass, semiconductor devices, and alloys—symbol Se; see element table, selenosis

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June 30, 2015
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