单词 | echolocation |
释义 | echolocation[ ek-oh-loh-key-shuhn ] / ˌɛk oʊ loʊˈkeɪ ʃən / nounthe general method of locating objects by determining the time for an echo to return and the direction from which it returns, as by radar or sonar. Zoology. the sonarlike system used by dolphins, bats, and other animals to detect and locate objects by emitting usually high-pitched sounds that reflect off the object and return to the animal's ears or other sensory receptors. Origin of echolocationFirst recorded in 1944; echo + location Words nearby echolocationechography, echoic, echoic memory, echoism, echolalia, echolocation, echomimia, echomotism, echopathy, echophrasia, echo plate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for echolocationecholocation / (ˌɛkəʊləʊˈkeɪʃən) / noundetermination of the position of an object by measuring the time taken for an echo to return from it and its direction Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for echolocationecholocation [ ĕk′ō-lō-kā′shən ] Sonar, especially of animals, such as bats and toothed whales. See more at sonar. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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