| 释义 |
osmium/ˈɒzmiəm/n. Chem. a hard bluish-white transition element, the heaviest known metal, occurring naturally in association with platinum and used in certain alloys (symbol 符 Os) 【化】(化学元素)锇(一种硬的蓝白色过渡元素，密度最大，与铂天然结成，用于合金) [Greek osmē ‘smell’ (from the pungent smell of its tetroxide)] |