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radar Definition
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radar
noun(ra-dar)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 detecting and locating objects (such as aircraft) or surface features (as of a planet)
radar
noun(ra-dar)range of notice
radar
noun(ra-dar)astronomy in which celestial bodies in the solar system are studied by analyzing the return of radio waves directed at them
radar
noun(ra-dar)a radar transmitter that upon receiving a radar signal emits a signal which reinforces the normal reflected signal or which introduces a code into the reflected signal especially for identification purposes
radar
noun(ra-dar)adaptive cruise control
radar
noun(ra-dar)a device designed to alert the operator of a vehicle when it has been targeted by a radar beam (as from a police officer's radar gun)
radar
noun(ra-dar)radar gun
radar
noun(ra-dar)a handheld device that uses radar to measure the speed of a moving object
radar
adjective(ra-dar)used or designed to counteract or destroy radar systems
radar
noun(ra-dar)a radar system that utilizes the Doppler effect for measuring velocity
radar
idiom(ra-dar)to stop being noticed or talked about
radar
idiom(ra-dar)being something someone is at all considering or thinking about