sonar

2 ENTRIES FOUND:

so·nar

noun \ˈsō-ˌnär\

Definition of SONAR

: a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects; also : a device for detecting the presence of a vessel (as a submarine) by the sound it emits in water

Examples of SONAR

  1. They detected the submarine by using sonar.

Origin of SONAR

sound navigation ranging
First Known Use: 1945

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