Definitions for osmiumˈɒz mi əm
Random House Webster's College Dictionary
os•mi•umˈɒz mi əm(n.)
a hard, heavy, metallic element, densest of the known elements, able to form compounds with a valence of eight: used chiefly as a catalyst, in alloys, and in the manufacture of electric-light filaments.
Category: Chemistry
Ref: Symbol: Os; 3
Origin of osmium:
1795–1805; < NL = Gk osm(ḗ) smell + NL -ium -ium2; so named from the penetrating odor of one of its oxides
Princeton's WordNet
osmium, Os, atomic number 76(noun)
a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
Wiktionary
osmium(Noun)
a heavy metallic chemical element (symbol Os) with an atomic number of 76
Origin: From ὀσμή (because of the strong smell of its oxide) + -ium
U.S. National Library of Medicine
Osmium
Osmium. A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os. (From Dorland, 28th ed)
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