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  1. Radar - Wikipedia

    Long-range radar antenna, used to track space objects and ballistic missiles. Radar of the type used for detection of aircraft. It rotates steadily, sweeping the airspace with a narrow beam.

  2. Radar | Definition, Invention, History, Types, Applications, Weather ...

    Nov 13, 2025 · radar, electromagnetic sensor used for detecting, locating, tracking, and recognizing objects of various kinds at considerable distances. It operates by transmitting electromagnetic energy …

  3. RADAR Definition & Meaning - Merriam-Webster

    The meaning of RADAR is a device or system consisting usually of a synchronized radio transmitter and receiver that emits radio waves and processes their reflections for display and is used especially for …

  4. RADAR Definition & Meaning | Dictionary.com

    Radar definition: a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns.. See examples of …

  5. radar noun - Definition, pictures, pronunciation and usage notes ...

    Definition of radar noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  6. RADAR | English meaning - Cambridge Dictionary

    RADAR definition: 1. a system that uses radio waves to find the position of objects that cannot be seen: 2. a system…. Learn more.

  7. RADAR definition and meaning | Collins English Dictionary

    Radar is a way of discovering the position or speed of objects such as aircraft or ships by using radio signals.

  8. Radar - definition of radar by The Free Dictionary

    ra•dar (ˈreɪ dɑr) n. 1. a device or system for determining the presence and location of an object by measuring the direction and timing of radio waves. 2. a means of awareness; perception: lobbyists …

  9. Radar: Definition, Range, Working And Limitation - Science ABC

    Oct 19, 2023 · Radar is a wireless technology that uses radio waves to detect the direction, speed, shape, range, and other characteristics of distant objects. The earliest use of radio waves to detect …

  10. How radar works - National Oceanic and Atmospheric Administration

    Sep 27, 2023 · The word radar comes from the acronym radio detection and ranging. As the name implies, radars use radio waves to determine the distance and velocity of the targets they hit.