dim·​mer | \ ˈdi-mər How to pronounce dimmer (audio) \

Definition of dimmer

1 : a device for regulating the intensity of an electric lighting unit
2 : low beam

Examples of dimmer in a Sentence

Recent Examples on the Web This was the era of dimmer switches, plush materials like velvet and, frankly, explicitly seductive design. Sadhbh O'sullivan, refinery29.com, "’70s Homeware Was Loud, Eclectic & Optimistic. No Wonder It’s Back," 21 Jan. 2021 The most distant of these supernovae turned out to be much dimmer, and therefore farther away, than expected. Clara Moskowitz, Scientific American, "The Cosmological Constant Is Physics’ Most Embarrassing Problem," 1 Feb. 2021 The space observatory's camera works by mimicking total solar eclipses: A solid disk blocks out the otherwise blinding light of the sun, revealing dimmer features in its outer atmosphere and other celestial objects like comets. Katie Hunt, CNN, "Newly discovered comet photographed during solar eclipse," 21 Dec. 2020 At those junctures, though, the planets were relatively far apart and would have appeared much dimmer than the one expected this month. Robert Lee Hotz, WSJ, "A Christmas Star? Jupiter and Saturn Alignment Sparks Comparisons," 20 Dec. 2020 Saturn is slightly dimmer, but still just as bright as the brightest stars, with a recognizable golden glow. Sophie Lewis, CBS News, "Great conjunction of Jupiter and Saturn captured in stunning photos from around the world," 22 Dec. 2020 By looking in the southwestern sky 15 to 20 minutes after the sunset, Jupiter will shine bright while Saturn will appear dimmer because its further away. Slone Terranella, Detroit Free Press, "Christmas Star in sky tonight for first time in 800 years: How to see it in Michigan," 22 Dec. 2020 Mark Mulligan, director of NYU Langone Health Vaccine Center and a lead investigator for the Pfizer trial, told PopSci that rolling out vaccines will be more like a dimmer switch than an on-off button. Jessica Boddy, Popular Science, "Pfizer is shipping millions of COVID-19 vaccine doses this week," 14 Dec. 2020 Even many of the bright spots for Trump are dimmer this time around. Washington Post, "Biden leads Trump 52 percent to 41 percent among likely Virginia voters, a Post-Schar School poll finds," 22 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dimmer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dimmer

circa 1896, in the meaning defined at sense 1

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Time Traveler for dimmer

Time Traveler

The first known use of dimmer was circa 1896

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Statistics for dimmer

Last Updated

4 Mar 2021

Cite this Entry

“Dimmer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimmer. Accessed 8 Mar. 2021.

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English Language Learners Definition of dimmer

: a device that allows you to control the brightness of a light

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More from Merriam-Webster on dimmer

Nglish: Translation of dimmer for Spanish Speakers

Britannica English: Translation of dimmer for Arabic Speakers

Britannica.com: Encyclopedia article about dimmer

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