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1. Oxford American Dictionary

   chain reaction

   • IPA[ˌCHān rēˈakSHən]

   美式

   • n.
     a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.；the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.

   • noun: chain reaction, plural noun: chain reactions

2. • 釋義

   n.

   名詞

   • 1. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
   • ▪ the self-sustaining fission reaction spread by neutrons which occurs in nuclear reactors and bombs.
   • ▪ a series of events, each caused by the previous one an article in one publication sets off a chain reaction in the media