bn:00034636n
Noun Concept
Categories: All articles with vague or ambiguous time, Detectors, All articles needing additional references, American inventions, Americium
EN
fire alarm  smoke alarm  smoke detector  americium smoke detector  Cigarette detector
EN
An alarm that is tripped off by fire or smoke WordNet 3.0
Definitions
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EN
An alarm that is tripped off by fire or smoke WordNet 3.0 & Open English WordNet
A smoke detector is a device that senses smoke, typically as an indicator of fire. Wikipedia
A device that detects smoke and sets off an alarm. OmegaWiki
A smoke detector. Wiktionary
A device that sounds an alarm when it detects smoke or other evidence of fire. Wiktionary