radioactive decay

英 [ˌreɪdiəʊˈæktɪv dɪˈkeɪ]

美 [ˌreɪdioʊˈæktɪv dɪˈkeɪ]

放射性衰变

医学化学

英英释义

noun

• the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  Synonym:decaydisintegration

双语例句