Meaning of eka-boron | Babel Free
Examples
“In 1880, Nilson and Cleve discovered in a Scandinavian mineral a new element which had the properties of eka-boron. They called it Scandium.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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