smoke detector
noun
an electronic fire alarm that is activated by the presence of smoke.
Origin of smoke detector
1First recorded in 1925–30
- Also called smoke alarm .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use smoke detector in a sentence
Coming next: a smoke detector that could be a real disruptor.
Investigators have said that the house was under renovation and a new smoke detector system had not been activated.
A Mother’s Brave Eulogy For Her Three Girls Killed in Connecticut Fire | Michael Daly | January 6, 2012 | THE DAILY BEAST
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