Definition of smoke detector in English:

smoke detector

Syllabification: smoke de·tec·tor
(also smoke alarm)


  • A fire-protection device that automatically detects and gives a warning of the presence of smoke.
    More example sentences
    • Luckily, the smoke detector automatically alerted the fire brigade who extinguished the blaze and moved the couple, and their pets, away from the house.
    • I do not think that the fire could have developed to the stage that it did without the smoke alarm giving some warning beforehand.
    • If you are asleep and have no early warning from a smoke alarm, you may not wake up in time to escape.

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little