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Meaning of hellyerite | Babel Free

Noun CEFR B2

Definitions

A monoclinic-prismatic light blue mineral containing carbon, hydrogen, nickel, and oxygen.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Helm Helm Bar helm port Helm Wind helm-port helmage