echolocation

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

Definition of echolocation 

: 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

Examples of echolocation in a Sentence

Recent Examples on the Web

The beasts tend to make clicking and buzzing sounds while in the deep sea, about 700 to 2,000 feet down, and buzzed quite a bit in one particular fjord, likely using echolocation while hunting shrimp and cod. Jason Daley, Smithsonian, "Researchers Record the Sounds of the Elusive Narwhal," 15 June 2018 To find high-quality surface waters, people could observe bat activity levels using acoustic detectors to record bats’ echolocation calls. Theresa Laverty, Smithsonian, "Where Clean Drinking Water Is Hard To Find, Bats Could Lead the Way," 2 May 2018 Such testing, some studies say, harms mammals that rely on echolocation to associate and feed and could frighten away fish that commercial and recreation fisheries need to survive. The Washington Post, OregonLive.com, "Zinke: Oil, gas exploration off Oregon coast might not happen," 13 Mar. 2018 These pulses also allow them to detect their whereabouts, similar to how bats use echolocation. Natalie Escobar, Smithsonian, "The Shocking World of Electric Fishes," 20 Oct. 2017 At which point her little sister — ever the explainer, ever the scold — declared that in captivity, the dolphins’ signals bounce crazily off the walls; their capacity for echolocation drives them mad. Kerry Howley, Daily Intelligencer, "‘The World’s Biggest Terrorist Has a Pikachu Bedspread’," 22 Dec. 2017 Many predators rely on echolocation to find prey, and those echoes bounce off of shells clear as a bell, making the creature easier to find. Colin Dickey, New Republic, "When Squid Ruled the Earth," 21 Sep. 2017 This is because smooth surfaces limit these animals’ ability to use their echolocation system to navigate through the dark, the scientists explain. Giorgia Guglielmi, Science | AAAS, "Why do bats crash into smooth surfaces? They never ‘see’ them, this video reveals," 7 Sep. 2017 Some people with visual impairments already use echolocation and tongue-clicks or other noises for spacial awareness and navigation, such as the famous case of Daniel Kish. Beth Mole, Ars Technica, "Fitbit for the blind: Echolocation-based smartwatch aids sightless steps," 4 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'echolocation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of echolocation

circa 1944, in the meaning defined above

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Dictionary Entries near echolocation

echolalia

echoless

echolocate

echolocation

echometer

echo organ

echoppe

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Time Traveler for echolocation

The first known use of echolocation was circa 1944

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