lidar

noun

li·​dar ˈlī-ˌdär How to pronounce lidar (audio)
: a device that is similar in operation to radar but emits pulsed laser light instead of microwaves

Examples of lidar in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Cost Advantages and Complex Roads Technologically, Chinese robotaxi firms have largely used Waymo’s playbook in hardware—combining lidar, radar, cameras, precision GPS, and high-definition maps. IEEE Spectrum, 15 July 2025 Thanks to advances in Earth observation technology, such as satellite imagery, drone and lidar, which is similar to radar but uses light, scientists can now track how hillslopes, rivers and vegetation change after disasters. Brian J. Yanites, The Conversation, 26 June 2025 Tesla claims its choice to mostly use cameras instead of expensive sensors like lidar will make its autonomous vehicles more economically viable. Lora Kolodny, CNBC, 10 July 2025 By taking lidar scans from an airplane, scientists can generate 3D maps of the landscape below. Sonja Anderson, Smithsonian Magazine, 7 July 2025 See All Example Sentences for lidar

Word History

Etymology

light + radar

First Known Use

1963, in the meaning defined above

Time Traveler
The first known use of lidar was in 1963

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Cite this Entry

“Lidar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lidar. Accessed 29 Jul. 2025.

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