GHz

from WordNet (r) 3.0 (2006)

GHz
    n 1: 1,000,000,000 periods per second [syn: {gigahertz}, {GHz},
         {gigacycle per second}, {gigacycle}, {Gc}]

from The Free On-line Dictionary of Computing (8 July 2008)

GigaHertz
GHz

   <unit> (GHz) Billions of cycles per second.

   The unit of frequency used to measure the {clock rate} of
   modern {digital logic}, including {microprocessors}.

   (2001-05-14)