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Medical Term:

beta particle

 

Definition: an electron, either positively (positron, ß+) or negatively (negatron, ß-) charged, emitted during beta decay of a radionuclide.

Synonym(s): beta ray

See Also: cathode rays, under ray

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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