noun \ˈjā-ˌpeg\

: a type of computer file used for storing images; also : an image that is stored as this type of file

Full Definition of JPEG

:  a computer file format for the compression and storage of usually high-quality photographic digital images

Examples of JPEG

  1. Most of the pictures are JPEGs.

Origin of JPEG

Joint Photographic Experts Group
First Known Use: 1988


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