| 单词 | chromium |
| 释义 | chromium /kroh"mee euhm/, n. 1. a lustrous, hard, brittle, metallic element used in alloy steels for hardness and corrosion resistance, as in stainless steel, and for plating other metals: chromium salts are used as pigments and mordants. Symbol: Cr; at. wt.: 51.996; at. no.: 24; sp. gr.: 7.1. 2. chrome (def. 2). [1800-10; CHROME + -IUM] |
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