anechoic

American  

[an-e-koh-ik] / ˌæn ɛˈkoʊ ɪk /

adjective

1. (of a recording chamber, television studio, or the like) characterized by an unusually low degree of reverberation; echo-free.

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anechoic British  

/ ˌænɪˈkəʊɪk /

adjective

1. having a low degree of reverberation of sound

   an anechoic recording studio

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Etymology

Origin of anechoic

First recorded in 1945–50; an- ¹ + echoic

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Example Sentences

See Examples For:

anechoic

The generous funding, moreover, allowed scientists and engineers to buy and build expensive equipment—for instance, anechoic chambers to create the world’s quietest rooms.

From The Wall Street Journal ● Mar. 28, 2026

I called Dr. Oliver Mason, a researcher of psychotic disorders at the University of Surrey, who has led studies monitoring subjects’ experiences in anechoic chambers.

From New York Times ● Nov. 23, 2022

It is an oft-reported experience, in anechoic chambers, for visitors to become aware of the sound of blood pumping in their heads, or sloshing through veins.

From New York Times ● Nov. 23, 2022

Acoustician Jukka Pätynen stands in an anechoic space, designed so that no surface reflects sound.

From Nature ● Apr. 28, 2020

Cage claimed to have come to that realization during his 1951 visit to the anechoic chamber at Harvard University.

From The Guardian ● Dec. 24, 2018

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