. . . . . "chain reaction"^^ . . . . "0"^^ . . . . . . . "112684968"@en-us . "109684177"@en-us . . "0"^^ . "a series of chemical reactions in which the product of one is a reactant in the next"@en-us . . . . "113445479"^^ . . "chain reaction"@en-us . . . . . . "13445479-n"^^ . . . . . . . . .