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Meaning of johnsomervilleite | Babel Free

Noun CEFR C2

Definitions

A dark, brittle, vitreous mineral comprising mostly iron, phosphorus, and oxygen.

uncountable

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

Johnson Johnson bar Johnson City Johnson County Johnson grass Johnson hole