English / word
radar
noun B2MEANING IN ENGLISH
a system for detecting the presence, direction, and speed of distant objects by sending out radio waves; a system for detecting the presence, direction, distance of aircraft, ships by sending out radio waves
a system that uses radio waves to detect the position and speed of objects
In context
01
Air traffic controllers tracked the approaching storm on their weather radar.
02
The radar detected an unknown aircraft approaching the base.
Synonyms
sensor,scanner,radio locator
Antonyms
blind spot,invisibility
Collocations
radar screen,radar signal,radar detection