roentgen[
'rɛntgən]
n. 伦琴射

, X射

[
] 伦琴
[医] 伦琴(X
单位)

roentgen
[ noun ]
- a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
<noun.quantity>
- 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.]