roent·gen
ˈrentɡən,ˈrentjən,ˈrəntɡən,ˈrəntjən/
noun
noun: roentgen; plural noun: roentgens; noun: röntgen; plural noun: röntgens; symbol: R
a unit of ionizing radiation, the amount producing one electrostatic unit of positive or negative ionic charge in one cubic centimeter of air under standard conditions.
