1. (computing) a factor of 2^30, 1073741824 
2. One billion (10^9)

Encyclopedia: Giga-

• inapposite
• inappositeness
• inappreciable
• inapprehensible
• inapproachable
• inappropriate
• inappropriately
• inappropriateness
• inapt
• inaptitude
• inaptness
• inarguable
• inarticulate
• inarticulately
• inarticulateness
• inartistic
• inasmuch
• inattention
• inattentive
• inattentively
• inattentiveness
• inaudibility
• inaudible
• inaudibleness
• inaudibly