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Meaning of rotary switch | Babel Free

Noun CEFR B2

Definitions

A switch that is operated by turning a knob.

Examples

“A close-up of the very compact desk unit for control of the East Finchley programme machine from Leicester Square; the rotary switches at the top are used to set up the train number of any service to be added or cancelled.”

CEFR level

B2

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

See also

rotary table rotary wing rotary-wing aircraft rotary-wing intercept rotascope rotatability