Meaning of pyrolusite | Babel Free
Definitions
A dark coloured mineral, consisting of manganese dioxide (MnO₂), that is an important ore of manganese.
Equivalents
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.
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