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
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.
MP3 in Culture
MP3 definition
A file containing compressed digital audio data, often used to transmit music over the Internet.