English

Definition of giga- combining form from the Oxford Advanced Learner's Dictionary

     

    giga-

     combining form
    combining form
    BrE BrE//ˈɡɪɡə//
     
    ; NAmE NAmE//ˈɡɪɡə//
     
    ; BrE BrE//ˈdʒɪɡə//
     
    ; NAmE NAmE//ˈdʒɪɡə//
     
    (in nouns; used in units of measurement)
     
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  1. 1109, or 1 000 000 000 gigahertz
  2. 2230, or 1 073 741 824
  3. Word Originfrom Greek gigas ‘giant’.
See the Oxford Advanced American Dictionary entry: giga-