[ aw-dee-oh ]
See synonyms for: audioaudios on

  1. Electronics. designating an electronic apparatus using audio frequencies: audio amplifier.

  2. of, relating to, or employed in the transmission, reception, or reproduction of sound.

  1. of or relating to frequencies or signals in the audible range.

  1. Television.

    • the audio elements of television (distinguished from video).

    • the circuits in a receiver for reproducing sound.

    • the audio part of a television broadcast.

  2. the field of sound recording, transmission, reception, and reproduction.

Origin of audio

First recorded in 1920–25; independent use of audio-

Words Nearby audio

Other definitions for audio- (2 of 2)


  1. a combining form used in the formation of compound words, with the meanings: “sound within the range of human hearing” (audiometer); “hearing” (audiology); “sound reproduction” (audiophile).

Origin of audio-

<Latin audī- (stem of audīre to hear) + -o- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use audio in a sentence

British Dictionary definitions for audio (1 of 2)


/ (ˈɔːdɪˌəʊ) /

  1. of or relating to sound or hearing: audio frequency

  2. relating to or employed in the transmission, reception, or reproduction of sound

  1. of, concerned with, or operating at audio frequencies

Origin of audio

C20: independent use of audio-

British Dictionary definitions for audio- (2 of 2)


combining form
  1. indicating hearing or sound: audiometer; audiovisual

Origin of audio-

from Latin audīre to hear

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012