| 单词 | sulfur |
| 释义 | sulfur /sul"feuhr/, n. 1. Also, esp. Brit., sulphur. Chem. a nonmetallic element that exists in several forms, the ordinary one being a yellow rhombic crystalline solid, and that burns with a blue flame and a suffocating odor: used esp. in making gunpowder and matches, in medicine, in vulcanizing rubber, etc. Symbol: S; at. wt.: 32.064; at. no.: 16; sp. gr.: 2.07 at 20° C. 2. sulphur (def. 2). [1300-50; ME sulphur < L sulpur, sulphur, sulfur brimstone, sulfur] |
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