n. 伦琴(X射线)

[ noun ]
German physicist who discovered x-rays and developed roentgenography (1845-1923)
<noun.person>

Rontgen \R["o]nt"gen\, Roentgen \Roent"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.
[Webster 1913 Suppl.]