roentgen:1

adjective
roent*gen \ ˈrent-gən \ ˈrənt- \ -jən \ -shən \
1896
  • of or relating to X-rays

roentgen:2

noun
roentgen \
1922
  • the international unit of x-radiation or gamma radiation equal to the amount of radiation that produces in one cubic centimeter of dry air at 0°C and standard atmospheric pressure ionization of either sign equal to one electrostatic unit of charge

Roentgen:b

biographical name
Roentgen \

Rontgen:b

biographical name
Rönt*gen \ ˈrent-gən \ ˈrənt- \ -jən \ ˈren-chən \ ˈrən- \
  • Wilhelm Conrad 1845—1923 German physicist

roentgen ray

noun
roentgen ray \
circa 1890
  • x-ray
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