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Definition of dimmer
1 : a device for regulating the intensity of an electric lighting unit
2 : low beam
From the M-W Editors
Recent Examples of dimmer from the Web
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Smart light dimmers, like Lutron's Caseta Wireless Smart Lighting Dimmer Kit ($190, www.amazon.com), can be programmed to dim lights at night and turn them on in the morning.
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According to the Consumer Product Safety Commission, the dimmer or switch of three different styles sold under the brand Lumière can overheat, posing shock and fire risks.
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A dozen generators power the overhead space lights on the set; 3,200 separate dimmers were used to control the massive array and simulate storm clouds passing overhead.
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.
First Known Use of dimmer
circa 1896
DIMMER Defined for English Language Learners
dimmer
playDefinition of dimmer for English Language Learners
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: a device that allows you to control the brightness of a light
Learn More about dimmer
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See words that rhyme with dimmer Spanish Central: Translation of 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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