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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The on/off rocker worked as intended, as did the long-press dimmer function and the CCT and lighting scenes rockers. PC Magazine, 5 July 2025 Because the sunlight is blocked, the moon will be dimmer than usual. Brandi D. Addison, Austin American Statesman, 2 July 2025 These more common practices will detect planets through host stars becoming dimmer due to said planets. Nick Butler, FOXNews.com, 29 June 2025 This leap in performance could enable the EHT to detect dimmer black holes and finer details than ever before, Issaoun told Space.com. Samantha Mathewson, Space.com, 19 June 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 20 Jul. 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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