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hydroforming
hydrogasification
hydrogel
hydrogen
hydrogen bomb
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hydrogen bromide
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hydrogen chloride
hydrogen cyanide
hydrogen embrittlement
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hydrocracking

hy·dro·crack·ing [ hdrō kràking ]


noun 
Definition:
 
conversion of hydrocarbons: an industrial process in which the action of hydrogen under high pressure fragments long-chain hydrocarbons to produce more volatile compounds such as gasoline and kerosene

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