anechoic

American

[an-e-koh-ik] / ˌæn ɛˈkoʊ ɪk /

adjective

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

anechoic British

/ ˌænɪˈkəʊɪk /

adjective

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.

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

At the time, the anechoic chamber was sitting inside a storage locker.

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

This anechoic chamber is so silent that someone standing in it can hear not just their heart beating, but the blood flowing in their veins.

From The Guardian ● Mar. 8, 2019

Random Word

Spin the wheel and learn a new word!

Get a word

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023