roentgen
'rɔntjәn
基本解释
n. 伦琴射线, X射线
[化] 伦琴
英文释义
n. a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
n. German physicist who discovered x-rays and developed roentgenography (1845-1923)
词形变化
上一个单词：roemerite
下一个单词：roentgen equivalent man