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“radioactivity”
The release of energy from atomic nuclei: There are four different kinds of radioactivity including neutron radiation, beta radiation, alpha radiation, and corpuscular radiation.
Radioactivity can be very harmful when a person is exposed to high doses of it.
This entry is located in the following units:
ag-, agen-, act-, agi-, agit-
(page 13)
radio-, radi-, rad-
(page 1)
(Modern Latin: from Latin radius, meaning “ray”, because of its intense radioactivity; radioactive metal)