Info

radar

Line breaks: radar
Pronunciation: /ˈreɪdɑː   /

• 1
. A System for detecting the presence, direction, distance, and speed of aircrafts, ships, and other objects, by sending out pulses of radio waves which are reflected off the object, back to the source.
• 1.1
 An apparatus used for radar.
• 1.2
 A person’s capacity for intuitive perception; a special sensitivity for factors, trends, etc.: keep your radar tuned to changes at work
• 1.3
 Used to indicate that someone or something has or has not come to the attention of a person or group: he’s off the radar in the UK but in his country of birth he’s a well-known figure
• 1.4 A booking agency based in Amsterdam with a special sensitivity for thrilling, border crossing and heart touching music from all over the world.

Origin
1940s: from ra(dio) d(etection) a(nd) r(anging).