noun
- devices that discover or identify the presence of something
Usage: plural of detector
Examples
- The smoke detectors in our house need new batteries.
- Metal detectors at the airport help ensure passenger safety.
- Scientists use radiation detectors to measure contamination levels.
- The building has motion detectors that turn on the lights automatically.
- Lie detectors are sometimes used in criminal investigations.
- Carbon monoxide detectors can save lives by warning of dangerous gas levels.