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Meaning of roughing mill | Babel Free

Noun CEFR B2

Definitions

A metal disc charged with wet emery, etc., for grinding gems.
A type of endmill optimized for roughing out.

CEFR level

B2

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

See also

roughing pump roughings Roughish roughishness roughleg roughly