Definitions

1. adjective

relating to or characterized by the absence of echoes; absorbing sound, especially in anechoic chambers used in acoustics.

“The anechoic chamber allowed us to accurately measure sound levels without any interference from echoes.”

2. noun

a room or chamber designed to absorb sound completely, especially in order to measure sound levels.

“We conducted the sound test in the anechoic room to ensure the most accurate results.”