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radar
[ rey-dahr ]
noun
- Electronics. 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.
- a means or sense of awareness or perception:
lobbyists working under the media's radar.
radar
/ ˈɪɑː /
noun
- a method for detecting the position and velocity of a distant object, such as an aircraft A narrow beam of extremely high-frequency radio pulses is transmitted and reflected by the object back to the transmitter, the signal being displayed on a radarscope. The direction of the reflected beam and the time between transmission and reception of a pulse determine the position of the object Former nameradiolocation
- the equipment used in such detection
radar
- A method of detecting distant objects and determining their position, speed, material composition, or other characteristics by causing radio waves to be reflected from them and analyzing the reflected waves. The waves can be converted into images, as for use on weather maps.
- The equipment used in such detecting.
- See also Doppler effect
radar
- A method of finding the position and velocity of an object by bouncing a radio wave off it and analyzing the reflected wave. Radar is an acronym for ra dio d etection a nd r anging.
Notes
Other Word Forms
- t·d noun adjective
Word History and Origins
Origin of radar1
Word History and Origins
Origin of radar1
Compare Meanings
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Example Sentences
Never drafted in three seasons of eligibility, Yeaman is suddenly on every pro team’s radar this season for what he has been achieving at Irvine.
Heavy rare earths are used in many military fields such as missiles, radar, and permanent magnets.
I know Arsenal have been very impressive against Real Madrid but the team who appear to have gone under the radar to reach the semi-finals for me are Inter Milan.
The robotaxis will be equipped with sensors and a type of laser-based radar called lidar that enables them to navigate dense urban areas, according to the company.
Support announced on Friday also includes a £450m package from the UK and Norway to fund radar systems, anti-tank mines, vehicle repairs and hundreds of thousands of drones for Ukraine.
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