好词典

roentgen

UK //ˈrʌntɡən//US //ˈrɛntɡən//

词源

源自德国物理学家Wilhelm Conrad Röntgen的姓氏,他在1895年发现了X射线。

noun

❶ 伦琴,一种测量X射线或γ射线辐射量的单位,常用于医学和物理学领域。

“The patient received a dose of 2 roentgens during the X-ray examination.”

(患者在X光检查中接受了2伦琴的辐射剂量。)

“The radiation level was measured at 5 roentgens per hour.”

(辐射水平测量为每小时5伦琴。)

同义词:R, radiation unit

常见短语

roentgen equivalent man (rem) — 伦琴当量人,用于衡量辐射对人体影响的剂量单位,考虑了不同类型辐射的生物效应。

“The radiation dose was 2 rem, equivalent to 2 roentgens of X-rays.”

(辐射剂量为2雷姆,相当于2伦琴的X射线。)