Definition of MP3 in English:

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Pronunciation: /ɛmpiːˈθriː/


[mass noun]
1A means of compressing a sound sequence into a very small file, to enable digital storage and transmission.
Example sentences
  • Here is an mp3 file of the first movement of Eine Kleine Nachtmusik in its original form.
  • Users can also download the audio portion and listen to the mp3 file on a portable audio device.
  • The MP3 format for digital music has had, and will continue to have, a huge impact on how people collect, listen to and distribute music.
1.1 [count noun] A file in MP3 format: technicalities aside, ripping your own MP3s is easy [as modifier]: an MP3 file
More example sentences
  • The answer: just turn the whole thing into one MP3.
  • Someone Googled me this morning looking for this very MP3.
  • You won't find videos, MP3s, or other flashy media on the site's bare-bones profile pages.


1990s: from MPEG + Audio Layer-3.

For editors and proofreaders

Line breaks: MP3

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