Definition of "chemical reaction" [chemical reaction]

• A process, involving the breaking or making of interatomic bonds, in which one or more substances are changed into others. (noun)

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• "It’s all very well to talk of jigsaw dents and sockets, highly specific active sites capable of speeding up a particular chemical reaction a trillionfold."
• "A catalyst is a chemical substance that speeds up, by as much as a billion or even a trillion times, a chemical reaction between other substances, while the catalyst itself emerges from the process unscathed and free to catalyse again."
• ""Solar Prane developed an adverse chemical reaction to long use of mindtrap.""