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lidar

Today it means: The optical analogue of radar, using intense pulses of laser light to measure the composition and structure of the atmosphere. Full definition →

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lidar · noun¹

By anacronymic evolution from LIDAR.

LIDAR · noun²

Acronym of light detection and ranging. Synchronically also analyzable as blend of light + radar. The lowercase form (lidar) is by anacronymic evolution.

Etymology from Wiktionary, CC BY-SA 4.0.