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Meaning of birnessite | Babel Free

Noun CEFR B2

Definitions

A soft mineral, mostly containing manganese oxides, that occurs in manganese nodules.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Birney Birnholtz Birnie Birnin Kebbi Birnirk Biro