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.
Because eclipsed moons appear dimmer than normal, a clear, unobstructed view low to the horizon will be needed to catch the lunar show. Daisy Dobrijevic, Space.com, 4 Sep. 2025 This string of 150 lights from Amazon provides up to eight hours of full brightness, or up to 18 hours on one of the dimmer settings. Christopher Murray May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 4 Sep. 2025 The goal is to create small pockets of light throughout the room, and a dimmer can also do wonders. Tessa Cooper, Southern Living, 3 Sep. 2025 Compared to the Pro phones, the base model doesn't have quite as much dynamic range, and photos in challenging light will trend a bit dimmer. ArsTechnica, 29 Aug. 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 12 Sep. 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

More from Merriam-Webster on dimmer

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