الإنجليزية - الإنجليزية
تعريف ekabor في الإنجليزية الإنجليزية القاموس.
- 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