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Meaning of B-unit | Babel Free

Noun CEFR B1

Definitions

A locomotive with an engine, generator, and traction motors, but without a control cab.

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

b-word b. B. C. B. C. A. B. Des. B. E. F.