echolocation C2 Topic:Actions & Processes US /ˌɛkoʊloʊˈkeɪʃən/ See IPA manual Freq #52910 Meanings 1 noun The use of reflected sound, or echoes, to locate objects, as bats and dolphins do. Bats use echolocation to find insects in complete darkness. Thesaurus Synonyms 1 noun · the use of reflected sound,... biosonar Word family Forms echolocations Etymology AI details Coined by American zoologist Donald Griffin in 1944, from echo- + location. Topics Actions & Processes Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # echolocation **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˌɛkoʊloʊˈkeɪʃən/ **Frequency rank:** 52910 ## Meanings 1. The use of reflected sound, or echoes, to locate objects, as bats and dolphins do. ## Examples - Bats use echolocation to find insects in complete darkness. ## Etymology Coined by American zoologist Donald Griffin in 1944, from echo- + location. ## AI Etymology Echolocation was coined by American zoologist Donald Griffin in 1944, from echo- + location. The analysis is mainly morphological: the modern nominal form is built from the named base and affix. Current senses include the use of reflected sound, or echoes, to locate objects, as bats and dolphins do. ## Topics - Actions & Processes - Word Formation & Derivatives markdown