an·​echo·​ic | \ ˌa-ni-ˈkō-ik How to pronounce anechoic (audio) \

Definition of anechoic

: free from echoes and reverberations an anechoic chamber

Examples of anechoic in a Sentence

Recent Examples on the Web Singers from the Binchois Consort recorded the music in an anechoic chamber—a space free of any acoustic elements that sound could bounce against. Livia Gershon, Smithsonian Magazine, "Hear a 16th-Century Concert Recreated by a ‘Musical Time Machine’," 6 Apr. 2021 According to submarine authority HI Sutton, the submarines in particular have had issues with their anechoic coatings, a layer of rubber affixed to the sub’s steel hull to reduce noise. Kyle Mizokami, Popular Mechanics, "Well, That's One Way To Tow a 2,300-Ton Submarine," 8 July 2020 But the lab is best known for its anechoic chamber: a room that is completely void of reverberations. Eleanor Cummins, Popular Science, "I built a room so quiet you can hear your own blood," 6 Jan. 2020 From there, Wixey placed them one by one in a soundproof container with minimal echo called an anechoic chamber. Lily Hay Newman, WIRED, "Hackers Can Turn Everyday Speakers Into Acoustic Cyberweapons," 11 Aug. 2019 The powerful satellite antennae are checked within enormous anechoic chambers. Joe Pappalardo, Popular Mechanics, "Inside the Locked Rooms Where They Protect GPS," 22 Mar. 2019 Although effective as late as 2017 the Navy was having trouble with its anechoic coatings sloughing off at sea. Kyle Mizokami, Popular Mechanics, "Navy Testing Superhydrophobic Hull Coatings For Submarines," 5 July 2018 To stand inside an anechoic chamber is to be sonically isolated from the outside world. Robbie Gonzalez, WIRED, "What It Takes to Be an Expert Human Echolocator," 31 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'anechoic.' 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 anechoic

1946, in the meaning defined above

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The first known use of anechoic was in 1946

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Last Updated

8 Apr 2021

Cite this Entry

“Anechoic.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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