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 lights at the historic space agency get a little dimmer each day as a result. Eric Berger, ArsTechnica, 12 June 2025 The lights can be paired with a dimmer for additional control. Maggie Horton, People.com, 10 June 2025 The higher the lumens, the brighter the bulb, while the lower the lumens, the dimmer the bulb. Maria Conti, Better Homes & Gardens, 3 June 2025 For example, a study in the Journal of Environmental Psychology found that dimmer lighting can improve creativity and be useful during brainstorming sessions. Julian Hayes Ii, Forbes.com, 30 Apr. 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 29 Jun. 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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