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Meaning of rough vacuum | Babel Free

Noun CEFR B2

Definitions

A coarse vacuum, usually one where pressure remains at 0.1 to 1 millitorr.

CEFR level

B2

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

See also

Rough Wooing rough wool rough-and-tumble rough-backed litter snake rough-book rough-footed mud turtle