C1
sonar
/ˈsəʊnɑː/
noun
sonar
Also
echosonda(f)
Definition
A system for detecting objects underwater and measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected.
Examples
Submarines use sonar to navigate and detect other vessels.
Okręty podwodne używają sonaru do nawigacji i wykrywania innych jednostek.
The ship's sonar detected a large object beneath the surface.
Sonar statku wykrył duży obiekt pod powierzchnią.
Collocations
active sonarpassive sonarsonar system
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