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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Earth has gotten a bit dimmer without her bright light. Larry Stansbury, Essence, 26 Aug. 2025 To complete the scene, Spica — the brightest star in the constellation Virgo — will glisten to the upper left of the moon, while the dimmer star Porrima will shine roughly 3 degrees to the upper right of Mars. Anthony Wood, Space.com, 25 Aug. 2025 Mars, now getting dimmer, will glow faintly just above and to the left of the lunar crescent. Jamie Carter, Forbes.com, 24 Aug. 2025 However, their vision for that restaurant is a dimmer, natural cave atmosphere that the light, airy Mont building wouldn’t quite capture. Ella Gonzales, Fort Worth Star-Telegram, 8 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 9 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

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