■ noun
1》 a chemical or other reaction in which the products themselves promote or spread the reaction, especially a self-sustaining nuclear fission process spread by neutrons.
2》 a series of events, each caused by the previous one.
■ noun
1》 a chemical or other reaction in which the products themselves promote or spread the reaction, especially a self-sustaining nuclear fission process spread by neutrons.
2》 a series of events, each caused by the previous one.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004