Answer: radiation

AnswerCrossword Clue
RADIATIONWhat roentgens measure
RADIATIONDiffusion.
RADIATIONEffect of atomic energy release.
RADIATIONHazardous consequence of new weapons.
RADIATIONAn effect at Eniwetok.
RADIATIONFall-out hazard.
RADIATIONDiffusion of heat.
RADIATIONWhat a Geiger counter measures
radiationThe energy transmitted in this way, as heat, light, electricity, etc
radiationheat transport without the intervention of matter, as in the transport of heat from the Sun to the Earth
radiationDivergence out from a central point, in particular evolution from an ancestral animal or plant group into a variety of new forms
radiationThe emission of energy as electromagnetic waves or as moving subatomic particles, esp. high-energy particles that cause ionization