gigahertz gigacycle per second • gigantean · · · Info · Definitions · Synonyms · Characters · · gigahertz · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) 1,000,000,000 periods per second. Synonyms: GHz, gigacycle per second, gigacycle, Gc. · · Noun Definition 1 Synonyms · · · ghz · · Synonym 1 gigacycle per second · · Synonym 2 gigacycle · · Synonym 3 gc · · Synonym 4 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074 z latin small letter z U+007A