rangesensor
nounUK /ˈreɪndʒ ˌsɛnsə/
US /ˈreɪndʒ ˌsɛnsər/
A range sensor is a tool that tells how far away something is.
The robot used a range sensor to stop before hitting the wall.
RELATED WORDS
OTHER MEANINGS
2. A device on a car that helps it keep a safe distance from other cars.
The car's range sensor warned the driver that the truck ahead was too close.
3. A part in a phone or camera that helps it focus on objects at different distances.
The camera's range sensor made the picture sharp even in the dark.
4. A tool used in factories to check how far a machine part has moved.
The range sensor told the machine arm exactly where to stop.