English edit

Etymology edit

ultra- +‎ portable

Adjective edit

ultraportable (not comparable)

  1. Extremely portable
    • 2007 June 7, Michel Marriott, “To Appeal to Women, Too, Gadgets Go Beyond ‘Cute’ and ‘Pink’”, in New York Times[1]:
      There are more subtle touches, too, like the wider spacing of the keys on a new Sony ultraportable computer notebook that goes on sale next week.

Noun edit

ultraportable (plural ultraportables)

  1. (computing) A subnotebook.