Sonar Definition

sōnär
noun
An apparatus that transmits high-frequency sound waves through water and registers the vibrations reflected from an object, used in finding submarines, depths, etc.
Webster's New World
An apparatus, as one in a submarine, using sonar.
American Heritage
Echolocation.
American Heritage
Synonyms:
abbreviation

Abbreviation of sound nvigation and ranging.

Wiktionary
other
The equipment or physiology used in doing this.
American Heritage Science
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Other Word Forms of Sonar

Noun

Singular:
sonar
Plural:
sonars

Origin of Sonar

  • so(und) na(vigation and) r(anging)

    From American Heritage Dictionary of the English Language, 5th Edition

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