MP3

noun

ˌem-(ˌ)pē-ˈthrē 

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

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

Kids Definition

MP3

noun

ˌem-(ˌ)pē-ˈthrē 

1

: a computer file format for the compression and storage of digital audio data

2

: a computer file (as a song) in MP3 format