Medical Dictionary

radioactivity


radioactivity

noun ra·dio·ac·tiv·i·ty \-ak-ˈtiv-ət-ē\
plural ra·dio·ac·tiv·i·ties

Definition of RADIOACTIVITY

:  the property possessed by some elements (as uranium) or isotopes (as carbon 14) of spontaneously emitting energetic particles (as electrons or alpha particles) by the disintegration of their atomic nuclei
February 28, 2015
pontificate Hear it
To speak pompously or dogmatically
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