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1. An optical sensing technology used to determine the position, velocity, or other characteristics of distant objects by analysis of pulsed laser light reflected from their surfaces.
2. The equipment used in such detection. In both senses also called laser radar.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


an instrument that detects the position or motion of objects and which operates similarly to a radar, but which uses laser radiation rather than microwaves
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈlaɪ dɑr)

a device similar to radar but using pulsed laser light instead of radio waves to detect particles and varying conditions in the atmosphere.
[1960–65; presumably li (ght1) + (ra) dar]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lidar - a measuring system that detects and locates objects on the same principle as radar but uses light from a laser; a potential technology for detecting air turbulence that can affect aircraft
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
[USPRwire, Tue Sep 03 2019] LiDAR Market: Snapshot Light detection and ranging (LiDAR) is an active, remote sensing and distance mapping technology.
[ClickPress, Tue Sep 03 2019] LiDAR Market: Snapshot Light detection and ranging (LiDAR) is an active, remote sensing and distance mapping technology.
The "LiDAR - Market Analysis, Trends, and Forecasts" report has been added to's offering.
LiDAR -- light detection and ranging scanning -- is a form of remote sensing technology that sends out laser pulses, which bounce off objects in front of it, helping the instrument to measure the size and distance of objects for creating a three-dimensional model of the environment.
Led by Vektra of Croatia, a visual effects team used Teledyne's lidar system to create a detailed 3D representation of the old city of Dubrovnik, the model for the fictional city of King's Landing.
This certainly contradicts comments made by Tesla CEO Elon Musk, who back in April said that 'anyone using lidar is doomed.' He believes lidar systems are expensive and unnecessary and that a combination of digital cameras, radar and sonar is enough to enable autonomous vehicles.
Recent advances in LIDAR technology offer a new way to carry out the meteorological measurements needed for turbine certification and site assessment at a much lower cost.
Mapper technology will enable Velodyne to accelerate development of Vella, breakthrough software that establishes its directional view Velarray lidar sensor.
Lidar is becoming increasingly popular for creating realistic computer-generated imagery (CGI) and visual special effects.
The LiDAR technology uses shorter wavelengths that allow it to detect miniscule objects with high degree of accuracy while developing an exact 3D monochromatic model of the object.
Lidar newcomer Blackmore Sensors and Analytics, Inc.