radionuclide

radionuclide读音音标

英 [\'reɪdɪəʊ\'nju:klaɪd]

美 [\'reɪdɪoʊ\'njuˌklaɪd]

radionuclide意思解释

n.

放射性核；

英英释义

A radionuclide, or a radioactive nuclide, is an atom with an unstable nucleus, characterized by excess energy available to be imparted either to a newly created radiation particle within the nucleus or via internal conversion. During this process, the radionuclide is said to undergo radioactive decay, resulting in the emission of gamma ray(s) and/or subatomic particles such as alpha or beta particles.