English version

smoke detector

From Longman Dictionary of Contemporary Englishsmoke detectorˈsmoke deˌtector noun [countable]  smoke_detector.jpg a smoke alarm
Examples from the Corpus
smoke detectorThree hundred firemen and 400 policemen raced to the Hofburg after a smoke detector set off the alarm soon after midnight.Luckily we have a smoke detector on the ceiling in each room.By the time it sets off the smoke detector, the corridor is blocked.
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