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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.


anechoic British  
/ ˌænɪˈkəʊɪk /

adjective

  1. having a low degree of reverberation of sound

    an anechoic recording studio

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of anechoic

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

But the anechoic chamber teaches us how to enjoy the echoes that endlessly reshape our perceptions of the urban landscape.

From The Guardian • Dec. 24, 2018

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