dimmer
/ˈdɪmə(r)/noun
1
- （亦作dimmer switch）a device for varying the brightness of an electric light（电灯的）变光器, 调光器。
2
- US a headlight with a low beam〈美〉低光束前灯。
2.1
dimmers
small parking lights on a motor vehicle（车辆的）停车小灯。