名詞 osmium:

1. a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
   同義詞：Os, atomic number 76

os.mi.um

n.Symbol Os （名詞）符號(hào) Os
A bluish-white, hard metallic element, found in small amounts in osmiridium, nickel, and platinum ores. It is used as a platinum hardener and in making pen points, phonograph needles, and instrument pivots. Atomic number 7'; atomic weight 90.2; melting point 3,000=C; boiling point 5,000=C; specific gravity 22.57; valence 2, 3, 4, 8.See table at element
鋨：一種白色帶點(diǎn)藍(lán)色的硬金屬元素，在銥鋨礦、鎳及鉑的礦石中有少量儲(chǔ)藏。用作鉑的硬化劑并用于制作筆尖、唱片針和儀表樞軸。原子序數(shù)為7'；原子量為90.2；熔點(diǎn)為3,000=C；沸點(diǎn)為5,000=C；比重為22.57；化合價(jià)為2，3，4，8參見 element

來源：
From Greek osmô [smell (from the strong odor of osmium tetroxide)]
源自 希臘語 osmô [氣味（由四氧化鋨的強(qiáng)烈氣味得名）]