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

Example Sentences

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 had been warned that anyone speaking to me inside an anechoic chamber would sound as if they were standing just next to me, murmuring into my ear.

From New York Times • Nov. 23, 2022

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

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

From Nature • Apr. 28, 2020

My time in the anechoic chamber was a forceful reminder that most of the sounds we hear come to us indirectly; reflected into our ears by the things and people around us.

From The Guardian • Dec. 24, 2018