单词	hydrocracking
释义	hydrocracking noun hy·​dro·​crack·​ing ˈhī-drə-ˌkra-kiŋ  : the cracking of hydrocarbons in the presence of hydrogen hydrocrack ˈhī-drə-ˌkrak  transitive verb hydrocracker noun Example Sentences Recent Examples on the Web The approach is analogous to the hydrocracking process in a refinery but is conducted at much lower temperatures without the requirement to add hydrogen gas or use exotic, expensive catalysts. Robert Rapier, Forbes, 10 Oct. 2021 Word History First Known Use 1940, in the meaning defined above
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