sensor
/ˈsɛnsər/
noun
- A device that detects or measures a physical property and records, indicates, or responds to it.
- The camera's image sensor captures light to create a digital photo.
- Temperature sensors in the greenhouse help keep the plants healthy.
- The motion sensor turns on the lights when someone enters the room.
- A biological structure that detects stimuli, such as light, sound, or touch.
- Skin contains pressure sensors that let you feel touch.
- The human eye is a remarkable light sensor.
- Some animals have heat sensors that help them find prey in the dark.
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