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

The property on 114th Street currently has 99 open violations from the city Department of Housing Preservation and Development as recent as April 16, citing roach and mice infestations, broken or defective brick mortar in the front of the building, and missing smoke detectors. —Noelle Lilley, CBS News, 22 Apr. 2026

Amazon’s Ring Smoke Alarm is an excellent choice for turning your traditional smoke detectors into smart devices. —Bestreviews, Mercury News, 15 Apr. 2026

Thanks to working smoke detectors, all six people in the home were able to escape before emergency crews arrived. —Rachel Roberts, Idaho Statesman, 8 Apr. 2026

Flat Can Recycling will recycle household items for a fee at the event, including latex paint cans, household batteries, aerosol products, propane tanks, carbon monoxide and smoke detectors and car seats, according to organizers. —Aurora Beacon-News, Chicago Tribune, 8 Apr. 2026

Word History

First Known Use

circa 1927, in the meaning defined above

Rhymes for smoke detector

• photodetector
• bisector
• collector
• connector
• corrector
• defector
• deflector
• director
• dissector
• effector
• ejector
• elector

Kids Definition

smoke detector

noun

: an alarm that activates automatically when it detects smoke

called also smoke alarm