[ jey-peg ]

  1. a set of standards and file format for compression of digital color images.

  2. an image file compressed in this format.

Origin of JPEG

First recorded in 1985–90; abbreviation of J(oint)P(hotographic)E(xperts)G(roup), developer of the standards

Words Nearby JPEG Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use JPEG in a sentence

British Dictionary definitions for JPEG


/ (ˈdʒeɪˌpɛɡ) /

  1. computing

    • a standard file format for compressing pictures by disposing of redundant pixels

    • a picture held in this file format

    • (as modifier): a JPEG image

Origin of JPEG

C20: technique devised by the J (oint) P (hotographic) E (xperts) G (roup)

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

Scientific definitions for JPEG


[ pĕg′ ]

  1. Short for Joint Photographic Experts Group.

  2. A standard algorithm for the compression of digital images, making it easier to store and transmit them.

  1. A digital image that has been compressed using this algorithm.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.