Dictionary

osmium

noun os·mi·um \ˈäz-mē-əm\

Definition of OSMIUM

:  a blue-gray or blue-black hard brittle very heavy polyvalent metallic element with a high melting point that is used especially as a catalyst and in hard alloys — see element table
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Origin of OSMIUM

New Latin, from Greek osmē odor
First Known Use: 1804
Medical Dictionary

osmium

noun os·mi·um \ˈäz-mē-əm\

Medical Definition of OSMIUM

:  a hard brittle blue-gray or blue-black polyvalent metallic element of the platinum group with a high melting point that is the heaviest metal known and that is used especially as a catalyst and in hard alloys—symbol Os; see element table

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