os.mi.um

osmium的音标和读音：
DJ音标发音： [ˈɔzmi:əm]
KK音标发音： [ˈɑzmiəm]

osmium的词性：
n.Symbol Os （名词）符号 Os

1. 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 76; atomic weight 190.2; melting point 3,000⁼C; boiling point 5,000⁼C; specific gravity 22.57; valence 2, 3, 4, 8.See table at element
锇：一种白色带点蓝色的硬金属元素，在铱锇矿、镍及铂的矿石中有少量储藏。用作铂的硬化剂并用于制作笔尖、唱片针和仪表枢轴。原子序数为76；原子量为190.2；熔点为3,000⁼C；沸点为5,000⁼C；比重为22.57；化合价为2，3，4，8参见 element

osmium的词源：

2. From Greek osm? [smell (from the strong odor of osmium tetroxide)]
源自 希腊语 osm? [气味（由四氧化锇的强烈气味得名）]