One of the elementary bodies; a rare alkali-metal discovered by spectrum-analysis in 1860–61 by Bunsen and Kirchhoff; so called from two…
| 单词 | θ68756 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > caesium > [noun] (2) caesium1861 One of the elementary bodies; a rare alkali-metal discovered by spectrum-analysis in 1860–61 by Bunsen and Kirchhoff; so called from two… Cs1861 caesium. |
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