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Meaning of psilomelane | Babel Free

Noun CEFR C1

Definitions

Any hard, black hydrous manganese oxide with variable amounts of barium and potassium.

uncountable, usually

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

psilon pneuma psilophyte psilopterine psilorhynchid Psiloritis psilos