distancedetector
nounUK /ˈdɪstəns dɪˌtektə/
US /ˈdɪstəns dɪˌtɛktər/
A tool that tells you how far away something is.
The robot used a distance detector to stop before hitting the wall.
RELATED WORDS
OTHER MEANINGS
2. A device in a car that warns you when you are too close to another car.
The distance detector beeped when the truck got too near.
3. A feature in a camera that measures how far away a subject is so it can focus.
The camera's distance detector helped take a sharp photo of the bird.
4. A program that measures the gap between two points on a map or screen.
The map app's distance detector showed the trip was five miles long.