GIGACYCLE PER SECOND(noun) Did you mean: Synonyms Rhymes Definitions There is 1 meaning of the phrase Gigacycle Per Second. Gigacycle Per Second - as a noun 1,000,000,000 periods per second Synonyms (Exact Relations)gcghzgigacycle 18gigahertz 23Word Variations & RelationsStarts G Starts GI Starts GIG Starts GIGA Ends D Ends ND Ends OND Ends COND Starts G & ends D Starts GI & ends D Starts G & ends ND A-Z Proximitiesgigabit 11gigabits 12gigabyte 15gigabytes 16gigacycle 18 Gigacycle Per Second gigacycles 19gigaflop 15gigaflops 16gigahertz 23gigahertzes 25