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
1
: an audio signal
broadly
: sound entry 1
2
: the section of television or motion-picture equipment that deals with sound
3
: the transmission, reception, or reproduction of sound
1
: hearing
audiometer
2
: sound
audiophile
3
: auditory and
audiovisual
Examples of audio in a Sentence
Adjective
The audio portion of the broadcast was fine but the picture was poor.
They listened to an audio recording of the speech.
Noun
The picture was clear but the audio was very poor.
Recent Examples on the Web
Michael Kan, PC Magazine, 14 Apr. 2025
April 13, 2025 at 7:23 AM PDT Loading your audio article
Augustine looks markedly different from anything else on Santana Row by design.
—Laura Ness, Mercury News, 13 Apr. 2025
Arkansas Online, 17 Apr. 2025
This version of the legendary 1972 Pink Floyd concert film was digitally re-mastered in 4K from the original 35mm footage and features enhanced audio that has been newly mixed by Steven Wilson (from the prog-rock band Porcupine Tree).
—Jim Harrington, Mercury News, 16 Apr. 2025
See All Example Sentences for audio
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Adjective
The company also offers customers a wide catalog of audio messages that can be played on the company’s traffic equipment.
—Michael Kan, PC Magazine, 14 Apr. 2025
April 13, 2025 at 7:23 AM PDT Loading your audio article
Augustine looks markedly different from anything else on Santana Row by design.
—Laura Ness, Mercury News, 13 Apr. 2025
Noun
Associated Press text, photo, graphic, audio and/or video material shall not be published, broadcast, rewritten for broadcast or publication or redistributed directly or indirectly in any medium.
—Arkansas Online, 17 Apr. 2025
This version of the legendary 1972 Pink Floyd concert film was digitally re-mastered in 4K from the original 35mm footage and features enhanced audio that has been newly mixed by Steven Wilson (from the prog-rock band Porcupine Tree).
—Jim Harrington, Mercury News, 16 Apr. 2025
See All Example Sentences for audio
Cite this Entry
“Audio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/audio. Accessed 23 Apr. 2025.
Copy CitationKids Definition
audio
1 of 3 adjective
au·dio
ˈȯd-ē-ˌō 
1
: of or relating to electrical or other frequencies occurring in the range of sound waves that can be heard
2
a
: of or relating to sound or its reproduction and especially accurate reproduction
bought new audio equipment
b
: relating to or used in sending or receiving sound compare video entry 2 sense 1
audio
2 of 3 noun1
: the sending, receiving, or reproducing of sound
2
: the part of television or motion-picture equipment that deals with sound
audio-
3 of 3 combining form1
: hearing
audiometer
2
: sound
audiophile
3
: auditory and
audiovisual
Etymology
Combining form
derived from Latin audire "to hear"
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