BETA DECAY


Meaning of BETA DECAY in English

[beta decay] n (1934): a radioactive nuclear transformation governed by the weak force in which a nucleon (as a neutron) changes into the other type of nucleon (as a proton) with the emission of an electron or positron and a neutrino and which results in a change in the atomic number of the nucleus of +1 or -1

Merriam-Webster English vocab.      Английский словарь Merriam Webster.