Rontgen \R["o]nt"gen\, a. Of or pertaining to the German physicist Wilhelm Konrad R["o]ntgen, or the rays discovered by him; as, R["o]ntgen apparatus.
Rontgen n : German physicist who discovered x-rays and developed roentgenography (1845-1923) [syn: {Roentgen}, {Wilhelm Konrad Roentgen}, {Wilhelm Konrad Rontgen}]