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:
Other Word Forms of Sonar
Noun
Singular:
sonar
Plural:
sonarsOrigin of Sonar
so(und) na(vigation and) r(anging)
From American Heritage Dictionary of the English Language, 5th Edition
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