sonar vs. radar
[soh-nahr]
/ ˈsoʊ nɑr /
noun
-
a method for detecting and locating objects submerged in water by echolocation.
-
the apparatus used in sonar.
[rey-dahr]
/ ˈreɪ dɑr /
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.
