plural dimmers
: a device that allows you to control the brightness of a light
All the lights in the room are on dimmers. [=all the lights can be made brighter or dimmer because they have special switches]
a dimmer switch
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“Dimmer.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/dimmer. Accessed 17 Apr. 2026.
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