noun
acoustic impedance
Technical term in acoustics and audio engineering; refers to the opposition a medium presents to sound waves.
音響インピーダンスは、音波が媒質を伝わる際の抵抗を表す物理量です。
Acoustic impedance is a physical quantity that represents the resistance when sound waves travel through a medium.
Compound of 音響 (おんきょう, 'sound, acoustics') and インピーダンス ('impedance'), a loanword from English.