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English definition of “smoke detector”

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smoke detector

noun [C] uk   us  
a device that makes a loud noise when there is smoke present to tell people that there is a fire
Translations of “smoke detector”
in Chinese (Traditional) 煙霧報警器, 煙霧探測器…
in Chinese (Simplified) 烟雾报警器, 烟雾探测器…
(Definition of smoke detector from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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