(in the distillation of petroleum or the like) the process of breaking down certain hydrocarbons into simpler ones of lower boiling points by means of excess heat, … A process in which large molecules of a hydrocarbon are broken down into…. A process in which large molecules of a hydrocarbon are broken down into….

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Cracking synonyms, cracking pronunciation, cracking translation, english dictionary definition of cracking. Decomposition of a complex substance by the application of … The meaning of cracking is very impressive or effective : How to use cracking in a sentence.