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Meaning of humberstonite | Babel Free

Noun CEFR C1

Definitions

A trigonal-rhombohedral colorless mineral containing hydrogen, magnesium, nitrogen, oxygen, potassium, sodium, and sulfur.

CEFR level

C1

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

See also

Humbert humbird humble humble pie humble plant humble-bee