noun
acoustic weapon; sonic weapon
A weapon that uses sound waves to harm, disorient, or deter targets. Technical and military term.
音響兵器は、非致死性の制圧手段として研究されている。
Acoustic weapons are being researched as a non-lethal means of suppression.
Compound of 音響 (sound, acoustics) and 兵器 (weapon). A modern technical term with no obscure historical derivation.