Meaning of colemanite | Babel Free
Definitions
A white, grey or colorless mineral form of calcium borate; a principal source of boron.
countable, uncountable
Equivalents
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.