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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
/ ˈreɪdɑː /
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
/ rā′där /
- 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 Words From
- anti·radar noun adjective
Word History and Origins
Origin of radar1
Word History and Origins
Origin of radar1
Compare Meanings
How does radar compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
In June of this year, the show on everyone’s radar — including Kanye West, who reportedly went out of his way to attend — was Prototypes.
Now involuntary treatment is seemingly on their radar.
Kyiv said that day it had managed to shoot down 62 drones, and that a further 67 were “lost” - meaning they were either downed by electronic warfare, or disappeared from radar screens.
The International Institute for Strategic Studies refers to the facility as a “surveillance station” and says it is likely to contain a coastal radar surveillance system similar to Indian-built equipment elsewhere in Mauritius.
In addition to all vehicles being fitted with a big red emergency button that can stop the system, the autonomous trucks have lasers and radars front and rear to detect collision risks.
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