Source : Webster's Revised Unabridged Dictionary (1913)

Hyperion \Hy*pe"ri*on\, n. [L., fr. Gr. ?.] (Class Myth.)
   The god of the sun; in the later mythology identified with
   Apollo, and distinguished for his beauty.

         So excellent a king; that was, to this, Hyperion to a
         satyr.                                   --Shak.

Source : WordNet®

Hyperion
     n : (Greek mythology) a Titan who was the son of Gaea and Uranus
         and the father of Helios and Selene and Eos in ancient
         mythology

Source : Free On-Line Dictionary of Computing

Hyperion
     
         An {MS-DOS} {personal computer} that was
        manufactured in Kanata (near Ottawa, Ontario, Canada) in the
        mid-1980s.  It received considerable government subsidies and,
        while it was considered well-designed and manufactured and a
        real threat to the {Compaq Portable}, the Ottawa firm that
        designed it was unable to beat {Compaq}.
     
        (1997-07-21)