English

Noun

dimmer switch ‎(plural dimmer switches)

1. A light switch which can adjust the brightness of the switched lamp from dim to bright, as well as turning it on and off.
2. (rare) A switch that changes the headlamps on a motor vehicle from low to high and from high to low beam; a high-beam switch; a brights switch.

Synonyms

• dipswitch
• dipper switch