roentgen
/ˈrɛntɡən/Definitions
1. noun
A unit of measurement of ionizing radiation, equivalent to the exposure of one electrostatic unit of charge per 0.001293 grams of air at standard temperature and pressure.
“The hospital’s radiation safety team measured the roentgen levels in the X-ray room to ensure compliance with safety regulations.”
2. proper noun
Wilhelm Conrad Röntgen, a German physicist who discovered X-rays and was awarded the first Nobel Prize in Physics in 1901.
“The Röntgen Award is given annually to scientists who have made significant contributions to the field of X-ray technology.”