Main Entry: ¹au·dio

Pronunciation: \ˈȯ-dē-ˌō\

Function: adjective

Etymology: audio-

Date: 1916

1 : of or relating to acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves which are of frequencies approximately from 15 to 20,000 hertz
2 a : of or relating to sound or its reproduction and especially high-fidelity reproduction b : relating to or used in the transmission or reception of sound — compare video c : of, relating to, or utilizing recorded sound