Radar

Noun

 * 1)  A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfaces
 * 2)  A type of system using such method, differentiated by platform, configuration, frequency, power, and other technical attributes.
 * 3)  An installation of such a system or of the transmitting and receiving apparatus.
 * 4)  A superior ability to detect something.

Verb

 * 1) To scan with radar, or as if with radar.

Thesaurus
detector, discriminator, early-warning radar, electron microscopy, electron optics, electron physics, electronic engineering, electronic navigation, electronics, electrophysics, fix, frequency meter, gun-directing radar, hard-tube pulser, indicator, interception radar, limiter, line of position, local oscillator, long-range radar, loran, magnetron, microwave mixer, mixer, modulator, navar, navigation, network pulser, omnidirectional range, omnirange, oscillator, overlapping, panoramic radar, photoelectricity, pilotage, plane sailing, point-to-point navigation, potentiometer, pulse generator, radar telescope, radio, radio beacon, radio navigation, radionics, range-sweep amplifier, range-sweep generator, receiver, screen, second detector, sextant, shoran, sofar, sonar, square-wave generator, synchronizer, tables, tacan, teleran, television, timing unit, tracker, transistor physics, transmitter, trigatron, visual-aural range, AA radar, AFC, AFC mixer, CRT, CW oscillator, MAD radar, Navaglobe, Oboe, TR switch, TR unit, VAR, Volscan, altimeter, amplifier, analyzer, astronavigation, automatic electronic navigation, automation, avionics, cascade screen, cathode-ray tube, celestial navigation, chronometer, coastwise navigation, consolan, dead reckoning, demodulator,