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单词 boracium
释义

boraciumn.

Etymology: < borax n.: compare sodium, potassium, etc.
Obsolete. Chemistry.
The name at first given to boron n., when it was supposed to be a metal.
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the world > matter > chemistry > elements and compounds > metals > specific elements > boron > [noun]
boracium1808
boron1812
1808 Sir H. Davy in Philos. Trans. (Royal Soc.) 99 85 There is strong reason to consider the boracic basis as metallic..and I venture to propose for it the name of boracium.
1812 H. Davy Elements Chem. Philos. 245 The bodies..are six, hydrogene, azote, sulphur, phosphorus, carbon, and boracium or boron.
This entry has not yet been fully updated (first published 1887; most recently modified version published online March 2021).
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n.1808
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