echolocation

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noun echo·lo·ca·tion \ˌe-kō-lō-ˈkā-shən\

Definition of echolocation

  1. :  a physiological process for locating distant or invisible objects (such as prey) by sound waves reflected back to the emitter (such as a bat) from the objects

Circa 1944

First Known Use of echolocation

circa 1944


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