wave number wave-moist • wave off · · · Info · Definitions · Characters · · wave number · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) the reciprocal of the wavelength of a wave. Synonyms: wave number. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075 v latin small letter v U+0076 w latin small letter w U+0077