smoke detector

noun

: an alarm that activates automatically when it detects smoke

called also smoke alarm

Examples of smoke detector 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.
Kansas City, Kansas, residents can get smoke detectors by calling 913-573-5971. Kansas City Star, 9 July 2025 Specifically, tenants are responsible for replacing batteries, regularly testing smoke detectors and notifying their landlord and the Cincinnati Fire Department about smoke detectors that aren't working, according to the Cincinnati fire code. David Ferrara, The Enquirer, 7 July 2025 These are typically single-use, non-rechargeable batteries that are used in remote controls or smoke detectors. Maria Sabella, Better Homes & Gardens, 26 June 2025 Speakers will also present information about department programs that support fire prevention efforts, such as proper maintenance of smoke detectors and carbon monoxide detectors, and how to create an escape plan in the event of a fire, officials said. Michelle Mullins, Chicago Tribune, 13 May 2025 See All Example Sentences for smoke detector

Word History

First Known Use

circa 1927, in the meaning defined above

Time Traveler
The first known use of smoke detector was circa 1927

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Cite this Entry

“Smoke detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/smoke%20detector. Accessed 21 Jul. 2025.

Kids Definition

smoke detector

noun
: an alarm that activates automatically when it detects smoke

called also smoke alarm

More from Merriam-Webster on smoke detector

Last Updated: - Updated example sentences
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