Meaning of allophane | Babel Free
/ˈæl.əˌfeɪn/Definitions
An amorphous hydrous aluminium silicate clay mineral
countable, 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.