Meaning of thorosteenstrupine | Babel Free
Definitions
An amorphous mineral containing calcium, fluorine, hydrogen, manganese, oxygen, silicon, and thorium.
uncountable, usually
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.