audio
1 Americanadjective
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Electronics. designating an electronic apparatus using audio frequencies.
audio amplifier.
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of, relating to, or employed in the transmission, reception, or reproduction of sound.
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of or relating to frequencies or signals in the audible range.
noun
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Television.
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the audio elements of television (distinguished from video).
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the circuits in a receiver for reproducing sound.
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the audio part of a television broadcast.
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the field of sound recording, transmission, reception, and reproduction.
noun
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of or relating to sound or hearing
audio frequency
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relating to or employed in the transmission, reception, or reproduction of sound
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of, concerned with, or operating at audio frequencies
combining form
Etymology
Origin of audio1
First recorded in 1920–25; independent use of audio-
Origin of audio-2
< Latin audī- (stem of audīre to hear) + -o-
Explanation
Audio means sound. If you turn up the volume and turn down the bass on your TV, you adjust the audio. The noun audio always refers to what you can hear, although there are several different ways to use it. If you covet expensive speakers for your stereo, you wish for new audio equipment, and when someone complains about the sound at a movie theater he might say, "The audio is way too loud." Audio was first used as a prefix, in words like audio-frequency, and came to mean "recorded sound" in the 1930s.
Vocabulary lists containing audio
Common Senses: Aud ("Hear")
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The interview was interrupted several times by weather and audio issues as torrential rain pounded the roof, making it difficult to continue the conversation.
From Barron's • Jun. 7, 2026
A sleep technician looked at my brain waves, muscle activity, eye movements and snoring audio to determine the stages.
From The Wall Street Journal • Jun. 7, 2026
After the call Eryn shed tears of joy and hopes the support from the Hollywood star will help raise awareness of the need for audio description to be available in cinemas.
From BBC • Jun. 5, 2026
The scientists' immediate reactions were captured in the expedition audio recordings.
From Science Daily • May 25, 2026
I muted my audio so Aech wouldn’t hear, then took several deep breaths until I got myself under control again.
From "Ready Player One: A Novel" by Ernest Cline
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.