os·mi·um /ˈɑzmiəm/
鋨
os·mi·um /ˈɑzmɪəm/ 名詞
鋨
os·mi·um n. Chem. A rare metallic element of the platinum group with atomic number 76. It is found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 190.2. Specific gravity 22.477.
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osmium
n : a hard brittle blue-gray or blue-black metallic element that
is one of the platinum metals; the heaviest metal known
[syn: Os, atomic number 76]
osmium
Symbol: Os
Atomic number: 76
Atomic weight: 190.2
Hard blue-white metallic transition element. Found with platinum and used
in some alloys with platinum and iridium.