smoke detector
Plural
smoke detectors
1
a device that detects smoke and gives a warning
- I forgot to replace the battery in the smoke detector, so it wasn't working properly.
- The landlord installed a new smoke detector in the rental apartment.
- The smoke detector is equipped with a loud alarm to warn residents of a potential fire.
- The smoke detector is sensitive to smoke and can detect fires at an early stage.
- The smoke detector requires proper maintenance to ensure it functions correctly.