(bā'tă-pahr'ti-kĕl) An electron, either positively (positron, β+) or negatively (negatron, β-) charged, emitted during beta decay of a radionuclide. Synonym(s): beta ray.
be·ta (β) par·ti·cle
(bā'tă-pahr'ti-kĕl) An electron, either positively (positron, β+) or negatively (negatron, β-) charged, emitted during beta decay of a radionuclide. Synonym(s): beta ray.