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MP3

1.
the file extension for MPEG Audio Layer-3, a set of standards for compressing and downloading audio files from the Internet.
2.
a file compressed in this format.
Compare MPEG.
Origin
1990-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for MP3

MP3

abbreviation
1.
MPEG-1 Audio Layer-3: tradename for software created by the Motion Picture Experts Group that enables files to be compressed quickly to 10% or less of their original size for storage on disk or hard drive or esp for transfer across the internet
2.
an audio or video file created in this way
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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MP3 in Science
MP3
  (ěm'pē-thrē')   
An MPEG standard used especially for transmitting music digitally over the Internet. Many programs are available to facilitate the transfer of these files, but there are numerous legal issues regarding the swapping of files and violation of copyright laws.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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MP3 in Culture

MP3 definition


A file containing compressed digital audio data, often used to transmit music over the Internet.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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MP3 in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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