lidar
nounUK /ˈlaɪ.dɑːr/
US /ˈlaɪ.dɑːr/
Lidar is a way of using light to measure how far away things are.
The robot uses lidar to see the walls around it.
OTHER MEANINGS
2. A device or system that uses laser light to measure distances and create maps.
The car's lidar spotted the pedestrian before the driver did.
3. The technology used in self-driving cars and drones to sense their surroundings.
Engineers tested the drone's lidar in a crowded field.
4. Data collected by laser scanning, often used to make 3D models of land or buildings.
They used lidar to build a 3D model of the old castle.