megahertz megagametophyte • megahit · · · Info · Definitions · Synonyms · Characters · · megahertz · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) one million periods per second. Synonyms: MHz, megacycle per second, megacycle, Mc. · · Noun Definition 1 Synonyms · · · mhz · · Synonym 1 megacycle per second · · Synonym 2 megacycle · · Synonym 3 mc · · 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 m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074 z latin small letter z U+007A