Definition, Meaning & Synonyms

sonar

noun
/ˈsoʊ.nɑːr/
Definition
A system for detecting and locating objects underwater by emitting sound waves and analyzing their echoes.
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.
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.
Synonyms
  • echo sounding
  • sound navigation
  • acoustic ranging