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Meaning of tranquillityite | Babel Free

Noun CEFR C2

Definitions

A hexagonal dark red mineral containing iron, oxygen, silicon, titanium, yttrium, and zirconium.

CEFR level

C2

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

See also

tranquillization Tranquillized tranquillizer Tranquilly Tranquilness trans