roentgenometer
reflector
actino-
lithium-drifted silicon detector
penetrometer
ray
irradiate
photodetector
radiant
ondoscope
autoradiograph
radiodosimetry
radiosensitive
irradiative
radiopacity
antiradiation
radio-opacity
radioprobe
radiospectrometer
radio
spark counter
radiomicrometer
radiatively
radiographics
spark chamber
source of illumination
radiation dose
radiolabel
teleradiotherapy
radiopaque
nuke
health physics
dosimetry
dosimeter
Geiger counter
Geiger-Muller counter
absorptiometer
flortaucipir
submillimeter wave radiation
radioassay
gamma camera
spectrohelioscope
cobalt machine
photoscanner
photoradiometer
radio observation
X-irradiation
radiodensity
radiobiophysics
radio-