![catalytic cracker catalytic cracker](https://www.tekportal.net/wp-content/uploads/2019/02/catalytic-cracker-8932.jpg)
noun
- the reduction of the molecular weight of hydrocarbons by a catalyst, accomplished in a petroleum refinery by a type of chemical reactor (catalytic cracker).Compare cracker(def 10), cracking(def 1).
noun
- a unit in an oil refinery in which mineral oils with high boiling points are converted to fuels with lower boiling points by a catalytic processOften shortened to: cat cracker