| 释义 |
† boˈracium Obs. Chem.
[f. borax: cf. sodium, potassium, etc.]
The name at first given to boron, when it was supposed to be a metal.
1808Sir H. Davy in Phil. Trans. XCIX. 85 There is strong reason to consider the boracic basis as metallic..and I venture to propose for it the name of boracium. 1812― Chem. Philos. 245 The bodies..are six, hydrogene, azote, sulphur, phosphorus, carbon, and boracium or boron. |