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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About a third of the way along sits Cor Caroli, a dimmer star, but still the brightest in the tiny constellation Canes Venatici in an otherwise fairly empty part of the sky. Jamie Carter, Space.com, 8 May 2026 In terms of lodging, the 10 A-frame micro-cabins are minimalist, but cozy, with low-lumen dimmers to keep light to a minimum and climate control options for year-round comfort. Michael D'estries, Travel + Leisure, 6 May 2026 Her solution is layered lighting, overhead on dimmers plus task lamps, with warm color temperatures so the room feels inviting. Alena Conley, USA Today, 6 May 2026 According to standard theories, that should mean a much dimmer and less energetic nebula. Rupendra Brahambhatt, Interesting Engineering, 26 Apr. 2026 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 21 May. 2026.

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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