RADAR

• IPA^(key): /ˈɹeɪdɑː(ɹ)/

RADAR (plural RADARs)

1. Acronym of radio detection and ranging.
   • 1983, “Basic Principles of RADAR Speed Measurement”, in Basic Training Program in RADAR Speed Measurement: Trainee Instructional Manual, U.S. Department of Transportation, National Highway Traffic Safety Administration, section “Fundamental Concept”, page 3-1, column 1:

     Police traffic RADARs can provide a speed reading on a detected target, but they cannot measure the range to the target.

   • 2016, Rahul Kala, “Basics of Autonomous Vehicles”, in On-Road Intelligent Vehicles: Motion Planning for Intelligent Transportation Systems, Butterworth-Heinemann, →ISBN, section 2 (Hardware), page 14:

     Multiple RADARs can be mounted at different parts of the vehicle, front and rear, to get the complete view of objects all round.

• radar (conversion of acronym into noun)

• LIDAR

• SONAR

• Ardra