DIMMER SWITCH
Meaning of DIMMER SWITCH in English
dim ‧ mer /ˈdɪmə $ -ər/ BrE AmE ( also ˈdimmer ˌswitch ) noun [countable]
an electric light switch that can change the brightness of the light
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012