\ ˈjā-ˌpeg 
\
\ plural JPEGs
Definition of JPEG
: a computer file format for the compression and storage of digital images
The file format commonly used for photos is the highly compressed JPEG format … — Consumer Reports also : an image stored in this format … seems convenient until you unknowingly open a virus-laden executable program disguised as a JPEG. — Scott McNealy
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More Definitions for JPEG
JPEG
nounEnglish Language Learners Definition of JPEG
: a type of computer file used for storing images also : an image that is stored as this type of file
See the full definition for JPEG in the English Language Learners Dictionary
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Time Traveler for JPEG
The first known use of JPEG was in 1988
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