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Meaning of orthopinakiolite | Babel Free

Noun CEFR C2

Definitions

An orthorhombic-dipyramidal black mineral containing boron, iron, magnesium, manganese, and oxygen.

CEFR level

C2

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

See also

orthoplasy orthoplex orthopnea orthopneic orthopneic position orthopneumovirus