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Osmium - Dictionary Definition and Overview |
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Osmium : (noun)
1: 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]
Based on WordNet 2.0
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Osmium : \Os"mi*um\, n. [Gr. ? a smell, odor, akin to ? to smell.
So named in allusion to the strong chlorinelike odor of osmic
tetroxide. See Odor.] (Chem.)
A rare metallic element of the platinum group, 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
191.1. Specific gravity 22.477.
Based on Webster's Revised Unabridged Dictionary
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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.
Based on Webster's Revised Unabridged Dictionary (1913)
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