sonar

Meaning

  1. echolocation
  2. A device that uses hydrophones (in the same manner as radar) to locate objects underwater.

Frequency

C2
Pronounced as (IPA)
/ˈsoʊ.nɑːɹ/
Etymology

From SONAR, acronym of sound navigation and ranging. Coined by American scientist Frederick Vinton Hunt in the 1940s.

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