Definition of JPEG in English:

JPEG

noun

mass nounComputing
  • 1A format for compressing image files.

    as modifier ‘a JPEG image’
    1. 1.1count noun A file in JPEG format.
      ‘I saved the image as a JPEG’

Origin

1990s: abbreviation of Joint Photographic Experts Group.

Pronunciation

JPEG

/ˈdʒeɪpɛɡ/