Dictionary

hydrocracking

noun hy·dro·crack·ing \ˈhī-drə-ˌkra-kiŋ\

Definition of HYDROCRACKING

:  the cracking of hydrocarbons in the presence of hydrogen
hy·dro·crack \-ˌkrak\ transitive verb
hy·dro·crack·er noun
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First Known Use of HYDROCRACKING

1940

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