dimmer switch
US /ˈdɪm.ər ˌswɪtʃ/
UK /ˈdɪm.ər ˌswɪtʃ/

1.
interruptor dimmer, dimmer
a switch that controls the brightness of a light by varying the voltage or current
:
•
Can you turn down the lights using the dimmer switch?
Você pode diminuir as luzes usando o interruptor dimmer?
•
The new lamp came with a built-in dimmer switch.
A nova lâmpada veio com um interruptor dimmer embutido.