Simple Definition of sonar
: a device used for finding things that are underwater by using sound waves
Full 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 in a sentence
They detected the submarine by using sonar.
Origin and Etymology of sonar
sound navigation ranging
First Known Use: 1945
SONAR Defined for Kids
Definition of sonar for Students
: a device for detecting objects underwater using reflected sound waves
Seen and Heard
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