Definition of gigapixel in US English:

gigapixel

noun

Computing
  • A unit of graphic resolution equivalent to one billion or 10⁹ pixels.

    as modifier ‘apart from their obvious appeal to photographers, gigapixel images also hold tremendous potential for law enforcement and the military’
    • ‘This more than doubles the total potential pixel fill rate from 533 million pixels per second to about 1.3 gigapixels per second.’
    • ‘A digital photo taken from Delft University claims to be the largest in the world at an impressive 2.5 gigapixels.’
    • ‘The 2.5 gigapixel image is - of course - a montage of images rather than a single snap and seamlessly fusing the separate images was the main technical challenge.’
    • ‘The newly patented R1 camera system, which broke through the gigapixel barrier, has achieved some of the highest resolution single-shot images ever created.’
    • ‘If we can just move past the idea of megahertz and gigapixels and look instead at creating wonder, awe, and even heartbreak, then electronic gaming will truly become an artistic medium.’

Pronunciation

gigapixel

/ˈɡiɡəˌpiksəl/