What is another word for radioactivity?

Need synonyms for radioactivity? Here's a list of similar words from our thesaurus that you can use instead.

Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus
“The radioactivity in the acetate was later found to be incorporated into cholesterol and the liver.”
Ultraviolet rays
Power derived from the utilization of physical or chemical resources
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