megacycle megacoulomb • megadont · · · Info · Definitions · Synonyms · Characters · · megacycle · · Text Latin · · Script 9 · · Length Definitions · · · (noun) one million periods per second. Synonyms: megahertz, MHz, megacycle per second, Mc. · · Noun Definition 1 Synonyms · · · megahertz · · Synonym 1 mhz · · Synonym 2 megacycle per second · · Synonym 3 mc · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C m latin small letter m U+006D y latin small letter y U+0079