audio

Audio is defined as anything related to sound in terms of receiving, transmitting or reproducing or its specific frequency.

(adjective)

An example of something that is audio is a stereo.

The definition of audio refers to the functions of a television set that are related to sound.

(noun)

An example of an element of a television that is associated with audio is the speakers.

See audio in Webster's New World College Dictionary

adjective

of frequencies corresponding to sound waves that can normally be heard by the human ear
☆ of or relating to the reproduction of sound, esp. as distinguished from video, as in a telecast or videotape

Origin: < L audire: see audience

hearing or sound

Origin: see audio

See audio in American Heritage Dictionary 4

adjective

Of or relating to humanly audible sound.
a. Of or relating to the broadcasting, reproduction, or reception of sound.
b. Of or relating to high-fidelity sound reproduction.

noun pl. au·di·os