1
: a computer file format for the compression and storage of digital audio data
2
: a computer file (as of a song) in the MP3 format

Examples of MP3 in a Sentence

downloading MP3s off the Internet
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Plenty of online sharing options for social networks are available, as is the ability to export to MP3, SoundCloud, iTunes, or a custom ringtone file for your phone. Jamie Lendino, PC Magazine, 31 Mar. 2026 Bandcamp downloads are available in MP3, FLAC and more, and supporters get unlimited streaming via the free Bandcamp app. Lars Brandle, Billboard, 10 Sep. 2025 The headphones use Bluetooth mode above water, but MP3 WAV, and other formats under water, since water disrupts the Bluetooth signal. Terri Williams, Forbes.com, 1 July 2026 Apple does not charge hosting providers or creators to distribute podcasts on Apple Podcasts, whether via traditional RSS/MP3 or HLS video. Todd Spangler, Variety, 16 Feb. 2026 See All Example Sentences for MP3

Word History

Etymology

from the file extension .mp3 used for such files, short for MPEG Audio Layer 3

First Known Use

1994, in the meaning defined at sense 1

Time Traveler
The first known use of MP3 was in 1994

Browse Nearby Words

Cite this Entry

“MP3.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/MP3. Accessed 10 Jul. 2026.

Kids Definition

1
: a computer file format for the compression and storage of digital audio data
2
: a computer file (as a song) in MP3 format

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