Pronunciation: /ˈsoʊˌnɑr/
noun a system for the detection of objects underwater and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected
A1 A sonar is a device used to detect objects underwater.
A2 The submarine used sonar to navigate through the ocean.
B1 The sonar system on the ship helped to locate the missing plane.
B2 The advanced sonar technology allowed scientists to map the ocean floor with great accuracy.
C1 The military vessel was equipped with state-of-the-art sonar equipment for detecting enemy submarines.
C2 The scientist used sonar data to study the behavior of marine mammals in their natural habitat.
formal The navy uses sonar technology to detect submarines underwater.
informal I heard they're using sonar to find the lost shipwreck.
slang Let's sonar this place before we dive in.
figurative Her intuition acted like a sonar, picking up on hidden emotions.
sounded
sonars
more sonar
most sonar
sounds
will sound
has sounded
is sounding
sonar
sonar
to sound
sounding
sounding