smoke detector


Definition of smoke detector

: 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 Family members were alerted by a smoke detector and escaped unharmed. Chicago Tribune, 14 July 2022 The arrest affidavit says authorities were first alerted to the shooting when a smoke detector sounded in the room. Peter Hermann, Washington Post, 22 July 2022 To request a smoke detector, send an email to Attn: smoke detectors. Carol Kovach, cleveland, 17 May 2022 Think of a weather radio as the equivalent to a smoke detector for a multitude of emergencies. Wes Siler, Outside Online, 9 June 2022 Some members of the Pearson family have not yet recovered from a sudden fire as a result of a faulty smoke detector. Mike Rose, cleveland, 12 May 2022 But people who own Universal Security Instruments smoke and carbon monoxide detectors should know there’s a smoke detector and carbon monoxide detector recall that was recently announced. Chris Smith, BGR, 6 May 2022 The department also said in a news release that anyone can arrange for a Milwaukee firefighter to install a smoke detector in their home for free by calling the smoke alarm hotline: 414-286-8980. Elliot Hughes, Milwaukee Journal Sentinel, 17 May 2022 Officials also said a battery for a smoke detector inside the apartment appeared to have been removed. Sarah Nelson, The Indianapolis Star, 2 May 2022 See More

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

First Known Use of smoke detector

circa 1927, in the meaning defined above

Buying Guide

Our Reviews team has selected the best smoke detectors.

Learn More About smoke detector

Time Traveler for smoke detector

Time Traveler

The first known use of smoke detector was circa 1927

See more words from the same year

Dictionary Entries Near smoke detector


smoke detector

smoke door

See More Nearby Entries 

Statistics for smoke detector

Last Updated

25 Aug 2022

Cite this Entry

“Smoke detector.” Dictionary, Merriam-Webster, Accessed 3 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for smoke detector

smoke detector

smoke de·​tec·​tor | \ -di-ˈtek-tər \

Kids Definition of smoke detector

: a device that sounds an alarm automatically when it detects smoke

More from Merriam-Webster on smoke detector

Nglish: Translation of smoke detector for Spanish Speakers Encyclopedia article about smoke detector


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!