au·​dio | \ ˈȯ-dē-ˌō How to pronounce audio (audio) \

Definition of audio

 (Entry 1 of 3)

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
2a : 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



Definition of audio (Entry 2 of 3)

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

Definition of audio- (Entry 3 of 3)

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.
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Recent Examples on the Web: Adjective With so many devices out there (desktop, laptop, smartphone, digital audio players), no wonder there’s confusion! Heloise, Washington Post, "Hints From Heloise: Senior technology," 26 Nov. 2019 Ride-hailing service Uber is reportedly looking to begin audio recordings of drives. Jefferson Graham, USA TODAY, "Before you buy, consider privacy please," 23 Nov. 2019 The league reviewed the game officials’ report; no audio recordings from the field were available. Ken Belson, New York Times, "N.F.L. Upholds Myles Garrett’s Indefinite Suspension," 21 Nov. 2019 There is precedent for the audio recordings Uber will be testing. Sara Ashley O'brien, CNN, "Uber's latest attempt to address safety concerns: letting riders and drivers record rides," 20 Nov. 2019 Remember that based on other settings that control your phone's microphone, audio recordings may be taken and stored in other places in your phone, but will not be sent to Google's servers. Courtney Linder, Popular Mechanics, "A Privacy Guide for Voice Assistants in a World Where You Cannot Escape Them," 16 Nov. 2019 Most of them exist as both audio recordings and written transcriptions. George Castle,, "Niles’ treasure of veterans and their stories loses its curator, but marches forward," 12 Nov. 2019 He's credited with creating the first digital audio player back 1997, four years before Apple came out with the iPod. CBS News, "Audible brings jobs and hope to Newark, New Jersey: "They help me shape my future"," 9 Nov. 2019 Most of his messages were distributed as audio recordings, which helped him evade surveillance and detection — until the U.S. raid that claimed his life. Yuliya Talmazan, NBC News, "Abu Bakr al-Baghdadi's death 'hard blow' for ISIS, but not group's death knell," 28 Oct. 2019 Recent Examples on the Web: Noun Although labeled a young adult book, the complex points of view and social commentary will resonate with all ages in written form or audio book. Beth Py-lieberman, Smithsonian, "Smithsonian Scholars Pick Their Favorite Books of 2019," 28 Nov. 2019 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. John Deering, Arkansas Online, "JOHN DEERING CARTOON: He says he has an 'insurance policy'," 27 Nov. 2019 The LizaTech HD Doorbell camera provides HD video that is triggered into recording by motion sensors, as well as two-way audio that connects to your smart devices. NBC News, "15 smart home products on sale right now," 27 Nov. 2019 And some such as Disney+, Prime Video, Vudu, and Movies Anywhere also support Dolby Vision and Dolby Atmos audio. Mike Snider, USA TODAY, "Black Friday: What streaming video device is best for you and can you get a deal?," 27 Nov. 2019 As the audio plays, the music executes a gut-churning turn out of Radiohead’s oeuvre. Spencer Kornhaber, The Atlantic, "Coldplay Would Like to Save the World With Vagueness," 26 Nov. 2019 One camera goes dark, but audio can still be heard. Kieran Nicholson, The Denver Post, "No criminal charges against Aurora officers in death of Elijah McClain," 23 Nov. 2019 Sony Amazon has dropped prices on Sony electronics, including 4K smart TVs, home theater projectors, and home audio products like bookshelf speakers, soundbars, and more. Paige Szmodis, Popular Mechanics, "The Best Black Friday Deals Happening Right Now," 22 Nov. 2019 Linguists have shown that listeners can generally identify the race of a speaker based on a very short audio clip. Darcel Rockett,, "Accents can have a significant impact on African Americans’ pay, U. of C. researcher finds," 21 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'audio.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of audio


1907, in the meaning defined at sense 1


1926, in the meaning defined at sense 1

History and Etymology for audio


independent use of audio- as adjective


derivative of audio entry 1, or by shortening of words formed with audio- (as audio-signal)

Combining form

Latin audīre "to hear" + -o- — more at audible entry 1

Note: Probably first in audiometer—see etymology note there.

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Time Traveler for audio

Time Traveler

The first known use of audio was in 1907

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Statistics for audio

Last Updated

1 Dec 2019

Cite this Entry

“Audio.” The Dictionary, Merriam-Webster Inc., Accessed 7 December 2019.

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More Definitions for audio


How to pronounce audio- (audio)

English Language Learners Definition of audio

 (Entry 1 of 3)

: of or relating to the sound that is heard on a recording or broadcast



English Language Learners Definition of audio (Entry 2 of 3)

: the sound that is heard on a recording or broadcast

English Language Learners Definition of audio- (Entry 3 of 3)

: relating to hearing or sound


au·​dio | \ ˈȯ-dē-ˌō How to pronounce audio (audio) \

Kids Definition of audio

 (Entry 1 of 2)

1 : of or relating to sound or its reproduction
2 : relating to or used in the transmitting or receiving of sound (as in radio or television)



Kids Definition of audio (Entry 2 of 2)

1 : the transmitting, receiving, or reproducing of sound
2 : the section of television equipment that deals with sound

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More from Merriam-Webster on audio

Rhyming Dictionary: Words that rhyme with audio

Spanish Central: Translation of audio

Nglish: Translation of audio for Spanish Speakers

Britannica English: Translation of audio for Arabic Speakers

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