roentgen
/'rɔntjәn/
📖 中文释义
- n. 伦琴射线, X射线
- [化] 伦琴
🧩 词形变化
复数 roentgens
📘 English Definition（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)