amplitude modulation amplitude level • amply · · · Info · Definitions · Synonyms · Characters · · amplitude modulation · · Text Common · · Latin · · Scripts 20 · · Length 7 · · Syllables Definitions · · · (noun) modulation of the amplitude of the (radio) carrier wave. Synonyms: amplitude modulation, AM. · · Noun Definition 1 Synonyms · · · am · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 u latin small letter u U+0075