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
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The smoke detectors were later found in a pillowcase in the home’s backyard, according to court documents obtained by WXMI. Mike Stunson, Kansas City Star, 28 Jan. 2025 Connect the wiring harness to your new smoke detector. Ashlyn Needham, Southern Living, 17 Jan. 2025 The attic, now divided into three fire compartments — choir, transept, and nave — features advanced thermal cameras, smoke detectors, and a revolutionary water-misting system. Thomas Adamson, Los Angeles Times, 6 Dec. 2024 Investigators find a camera hidden in the smoke detector in Shelley’s room… only someone turned it off right before the murder. Kimberly Roots, TVLine, 3 Oct. 2024 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

Dictionary Entries Near smoke detector

Cite this Entry

“Smoke detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/smoke%20detector. Accessed 15 Feb. 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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