Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

smoke detector

noun

Definition of smoke detector

  1. :  an alarm that activates automatically when it detects smoke —called also smoke alarm



Circa 1927

First Known Use of smoke detector

circa 1927

Rhymes with smoke detector


SMOKE DETECTOR Defined for Kids

smoke detector

noun smoke de·tec·tor \-di-ˈtek-tər\

Definition of smoke detector

  1. :  a device that sounds an alarm automatically when it detects smoke





Seen and Heard

What made you want to look up smoke detector? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 16.96 pounds 196.5 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ