Anechoic

//ˌæn.ɛˈkoʊ.ɪk// adj

Definitions

Adjective
  1. 1
    Lacking echoes; particularly, designed to absorb sound.

    "The bassoonist settled into the anechoic chamber and prepared for another grueling recording session."

Adjective
  1. 1
    not having or producing echoes; sound-absorbent wordnet

Etymology

From an- + echoic, from echo + -ic, from Middle English ecco, ekko, from Medieval Latin ecco, from Latin echo, from Ancient Greek ἠχώ (ēkhṓ), from ἠχή (ēkhḗ, “sound”).

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