| 单词 | vanadium |
| 释义 | Word Frequency vanadium(vəˈneɪdɪəm) noun a toxic silvery-white metallic element occurring chiefly in carnotite and vanadinite and used in steel alloys, high-speed tools, and as a catalyst. Symbol:V; atomic no: 23; atomic wt: 50.9415; valency: 2–5; relative density: 6.11; melting pt: 1910±10°C; boiling pt: 3409°C Word origin C19: New Latin, from Old Norse Vanadis, epithet of the goddess Freya + -ium |
| 随便看 |
英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。