/ˈreɪ.dɑː/
#2931 of 5,000 Core 5000
Translation
A system that uses radio waves to find planes, ships, or rain that are far away.
Word origin
Made in the 1940s from the first letters of radio detection and ranging.
- Origin
- English
- Root
- radio detection and ranging
- English cognates
- radio
Examples
.
Radar shows far-away objects as points on a screen.
.
Radar works even when you cannot see.
.
A radar gun measures how fast a car is going.
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Go to my review queueThis word is part of lesson 59.