ekabor

Английский Язык - Английский Язык

Определение ekabor в Английский Язык Английский Язык словарь

The name given by Mendelejeff in accordance with the periodic law, and by prediction, to a hypothetical element then unknown, but since discovered and named scandium; so called because it was a missing analogue of the boron group

ekaluminium

ekasilicon