English

Definition of echolocation noun from the Oxford Advanced Learner's Dictionary

 

echolocation

 noun
noun
BrE BrE//ˌekəʊləʊˈkeɪʃn//
 
; NAmE NAmE//ˌekoʊloʊˈkeɪʃn//
 
[uncountable]
 
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the use of reflected sound waves for finding things, especially by creatures such as dolphins and bats
See the Oxford Advanced American Dictionary entry: echolocation