rontgen Ronsdorfian • ronyon · · · Info · Definitions · Characters · · rontgen · · Text Latin · · Script 7 · · Length Definitions · · · (noun) German physicist who discovered x-rays and developed roentgenography (1845-1923). Synonyms: Roentgen, Wilhelm Konrad Roentgen, Rontgen, Wilhelm Konrad Rontgen. · · Noun Definition 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074