What is "dimmers"

Usage examples of "dimmers".

Gillian waited until they were well past, then switched on the dimmers and drove on.

She noticed they were coming from modern-looking dimmers built into the ceiling.

Then out into a glare of light, too extreme for the screen's somewhat aged dimmers to cope with.

Louis was finding the lights, the dimmers, and the wipers in the for­eign car, as Dr.