Definition, Meaning & Synonyms
sonar
noun
/ˈsoʊ.nɑːr/
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Definition
A system for detecting and locating objects underwater by emitting sound waves and analyzing their echoes.
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Examples
- The submarine used sonar to avoid underwater obstacles.
- Scientists employ sonar to study ocean currents and marine ecosystems.
- Many fishing boats utilize sonar to locate schools of fish beneath the surface.
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Meaning
Sonar is an acronym for ‘Sound Navigation and Ranging’ and is commonly used in submarines and ships to find obstacles, map the ocean floor, and locate marine life.
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Synonyms
- echo sounding
- sound navigation
- acoustic ranging