dimmer

noun

dim·​mer ˈdi-mər How to pronounce dimmer (audio)
1
: a device for regulating the intensity of an electric lighting unit
2

Examples of dimmer in a Sentence

Recent Examples on the Web
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The prospects for strong economic growth become dimmer, as reciprocal trade restrictions from other countries hit some American farms and factories that export overseas. Susan Tompor, USA Today, 18 Apr. 2025 Crossing the threshold into the Bar Mercury puts you in an entirely different atmosphere, with dark furnishings, polished brass and dimmer lighting. Sal Pizarro, The Mercury News, 23 Mar. 2025 While the moon is draped in red hues during totality, the light is far dimmer than direct sunlight. Jamie Carter, Forbes, 13 Mar. 2025 Because the sunlight is blocked, the moon will be dimmer than usual. Eric Lagatta, USA TODAY, 1 Mar. 2025 See All Example Sentences for dimmer

Word History

First Known Use

circa 1896, in the meaning defined at sense 1

Time Traveler
The first known use of dimmer was circa 1896

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Cite this Entry

“Dimmer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimmer. Accessed 26 Apr. 2025.

Kids Definition

dimmer

noun
dim·​mer ˈdim-ər How to pronounce dimmer (audio)
1
: a device for controlling the amount of light from an electric lighting unit (as the headlights of an automobile or the lights of a room)
2

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