Meaning of orvietite | Babel Free
Definitions
A mineral consisting of a mixture of plagioclase and sanidine with smaller amounts of leucite and augite, etc.
uncountable
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.