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

Companies are looking at techy alternatives, including scannable codes that could link to audio-accessible shade and ingredient information. Allure, "Blindness & Beauty: How Visually Impaired Women Changed an Industry That Ignored Them," 2 Apr. 2019 In-game voice chat is part of an audio soup that includes effects, music, and multiple people speaking simultaneously. Gordon Mah Ung, PCWorld, "Intel hopes to clean up toxic speech in game chat with AI and machine learning," 20 Mar. 2019 Carlson’s week deteriorated from there, with additional audio releases. Glamour, "Tucker Carlson Said Furious Women Should Watch Him. Here’s What I See.," 19 Mar. 2019 Robert Earle Howells wrote the Yosemite chapter for National Geographic’s Secrets of the National Parks, as well as the Just Ahead smartphone audio guide to Yosemite. Robert Earle Howells, San Francisco Chronicle, "A brief history of Yosemite’s Mariposa Grove," 25 Apr. 2018 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

Recent Examples on the Web: Noun

Runtopia’s running app, compatible with both Android and iOS also provides audio coaching when running based on real-time pace, speed, distance and heart rate. Tim Newcomb, Popular Mechanics, "Runtopia's S1 Is the GPS Running Smartwatch You Can Actually Afford," 2 Apr. 2019 The princess spoke in detail about the inspiration for the gown in the show's audio guide. Chloe Foussianes, Town & Country, "See a New Photo of Princess Eugenie in Her Zac Posen-Designed Wedding Reception Dress," 25 Mar. 2019 The Real Housewives of Constantinople, joked one friend—then rent an English-language audio guide at the entrance. Ashlea Halpern, Condé Nast Traveler, "Three Days In Istanbul," 28 Dec. 2018 But those ads have caused trouble for Rosendale after the Daily Beast posted audio last week of Rosendale discussing his conversations with the NRA’s Chris Cox about the political group getting involved in the Montana contest. Alex Pappas | Fox News, Fox News, "Dem Sen. Tester campaigns on hunting, hasn't had license in 6 years," 19 Sep. 2018 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

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

7 Apr 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).


marked by a state of overwhelming emotion

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