anechoic

[ 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.

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Origin of anechoic

First recorded in 1945–50; an-1 + echoic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for anechoic

anechoic
/ (ˌænɪˈkəʊɪk) /

adjective

having a low degree of reverberation of soundan 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