only 1 use
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Definition
the emission of a stream of particles in nuclear decay
- True, there were still unexplained phenomena such as radioactivity, transmission of light through the "ether," and the peculiar relationship of magnetic to electric forces; but these, if past trends were any indication, had eventually to fall.Part 3 (52% in)
There are no more uses of "radioactivity" in Zen and the Art of Motorcycle Maintenance.
Typical Usage
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