Definition of JPEG in English:

JPEG

noun

Computing
  • 1[mass noun] A format for compressing image files.

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

Origin

1990s: abbreviation of Joint Photographic Experts Group.

Pronunciation:

JPEG

/ˈdʒeɪpɛɡ/