smoke detector

US:USA pronunciation: IPAUSA pronunciation: IPA/ˈsmoʊk dɪˈtɛktɚ/


WordReference Random House Learner's Dictionary of American English © 2025
smoke de•tec•tor /ˈsmoʊk dɪˈtɛktɚ/USA pronunciation  n. [countable]
  1. an electronic fire alarm that emits a loud signal in the presence of smoke.
Also called ˈsmoke aˌlarm. 
WordReference Random House Unabridged Dictionary of American English © 2025
smoke′ detec′tor, 
  1. an electronic fire alarm that is activated by the presence of smoke.
Also called smoke′ alarm′. 
  • 1925–30

'smoke detector' also found in these entries (note: many are not synonyms or translations):
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