Doppler doppler • doppler effect · · · Info · Definitions · Characters · · Doppler · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) Austrian physicist famous for his discovery of the Doppler effect (1803-1853). Synonyms: Christian Johann Doppler. · · Noun Definition 1 Characters · · D latin capital letter d U+0044 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072