Meaning of thorbastnasite | Babel Free
Definitions
A hexagonal-ditrigonal dipyramidal brown mineral containing calcium, carbon, cerium, fluorine, hydrogen, oxygen, and thorium.
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.