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


The audio portion of the broadcast was fine but the picture was poor. They listened to an audio recording of the speech.


The picture was clear but the audio was very poor.
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Recent Examples on the Web: Adjective

Just before the Fall 2019 show began, audio recordings of Lagerfeld speaking in French played over speakers. Lauren Alexis Fisher, Harper's BAZAAR, "Chanel Pays Tribute to Karl Lagerfeld on a Snow-Covered Runway," 5 Mar. 2019 Executives and business owners would be wise to know what potentially offensive photos, audio recordings and writing attributed to them in their younger days exist and could come to light, career coaches and crisis management professionals say. Vanessa Fuhrmans, WSJ, "‘I Was Young’ Isn’t an Excuse: Business Leaders Need to Revisit Yearbooks," 5 Feb. 2019 In the New Times story , backed up by audio recordings, students question Stringer about his views on immigration and race. Bob Christie, The Seattle Times, "Arizona city leaders want lawmaker out over race comments," 4 Dec. 2018 One Saturday matinee of each show will be open-captioned, audio-described and ASL-interpreted. Kathleen Luppi,, "Segerstrom Center unveils 2018-19 Broadway series," 21 Mar. 2018 The sleek and stylish earbuds were made in collaboration with the headphone brand Master & Dynamic, and marks the French fashion house's first stab at audio tech. Erica Gonzales, Harper's BAZAAR, "Miley Cyrus Is Already Wearing Those $995 Louis Vuitton Airpods," 1 Feb. 2019 Artists require a bevy of instruments and technology to create and mix songs, but at the center of it all is the digital audio workstation (DAW). Popular Mechanics, "Learn How to Produce Pro-Level Music for Under $30," 31 Jan. 2019 A few days ago, Louis Vuitton announced their very first piece of audio gear: wireless earbuds, made in four different colorways, that cost a whopping $995. Rachel Hahn, Vogue, "Lil Uzi Vert Has Fashion’s Hottest New Accessory (No, Not a Man Bag)," 25 Jan. 2019 The Berlin Wall Memorial’s documentation center was updated a few years ago with fresh exhibits, including audio accounts from escapees and guards, and a fascinating in-city hike that takes you along a former stretch of the wall. Rick Steves' Europe, The Seattle Times, "What’s new in Germany and the Low Countries for 2019," 23 Jan. 2019

Recent Examples on the Web: Noun

Waze is integrating seven more audio streaming services into its navigation app. Jon Porter, The Verge, "Waze adds Pandora, TuneIn, and five other streaming services into app," 30 Oct. 2018 The main difference is that the chrome disk of a gadget also has two-way audio and a built-in camera that captures its surroundings though a 150-degree wide-angle lens camera. Liz Stinson, Curbed, "App-controlled, video smart lock is like a personal doorman," 8 Oct. 2018 That, in turn, builds upon a promise Microsoft made last September, when the company said that images, audio, and video would be more intelligently catalogued within OneDrive or SharePoint, making them easier to find. Mark Hachman, PCWorld, "Microsoft adds video transcription to Microsoft 365 OneDrive to keep corporate content off YouTube," 28 Aug. 2018 Nielsen reports that on-demand audio streams increased 59 percent last year. John Kehe, The Christian Science Monitor, "How streaming is saving the music business," 3 July 2018 Here's how the app works: Each lesson is composed of text, images, video, and audio, and takes about 15 to 20 minutes to complete. Carolyn L. Todd, SELF, "The FDA Thinks This App Could Help People With Opioid Use Disorder Stay in Recovery," 17 Dec. 2018 That transmitter sends video and audio signals to a stylish dual-antenna receiver that velcros easily to the back side of the Vive head strap. Kyle Orland, Ars Technica, "Vive’s wireless adapter gives the best VR experience lots of money can buy," 26 Sep. 2018 The investigation may be complicated, however, by proprietary claims of a Netflix documentary crew that has audio as well as video recordings of the encounter. Matt Campbell, kansascity, "Netflix recording of ICE officer shoving lawyer might not be used in investigation," 6 July 2018 Widely circulated audio of children crying at a border detention facility and stories of children sleeping on concrete floors and even being held in cages sparked a national outcry in recent weeks. Jonathan M. Pitts,, "Hundreds rally in Patterson Park to protest Trump immigration policies," 29 June 2018

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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Dictionary Entries near audio








Statistics for audio

Last Updated

10 Mar 2019

Look-up Popularity

Time Traveler for audio

The first known use of audio was in 1907

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More Definitions for 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

Comments on audio

What made you want to look up audio? Please tell us where you read or heard it (including the quote, if possible).


a flaw that causes the downfall of a hero

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