Meaning of thortveitite | Babel Free
Definitions
A scandium yttrium silicate mineral, greyish-green, black or grey in colour, the primary source of scandium.
uncountable, usually
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.