always used before a noun
: of or relating to the sound that is heard on a recording or broadcast
The school has new audio equipment. [=equipment used for recording sound or listening to recorded sound]
The audio portion of the broadcast was fine but the picture was poor.
They listened to an audio recording of the speech.
: the sound that is heard on a recording or broadcast
The picture was clear but the audio was very poor.
: relating to hearing or sound
audiovisual
Cite this Entry
“Audio.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/audio. Accessed 12 Apr. 2026.
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