catalytic cracker
noun Date: 1947 the unit in a petroleum refinery in which cracking is carried out in the presence of a catalyst

New Collegiate Dictionary. 2001.

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  • catalytic cracker — noun a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst • Syn: ↑cat cracker • Hypernyms: ↑chemical reactor • Part Holonyms: ↑oil refinery, ↑petroleum refinery * * * …   Useful english dictionary

  • catalytic cracker — /ˌkætəlɪtɪk ˈkrækə/ (say .katuhlitik krakuh) noun an apparatus for catalytic cracking. See cracking (def. 1). Also, cat cracker, cracker unit …   Australian English dictionary

  • catalytic cracking — noun : cracking of petroleum oils (as gas oils or diesel oils) especially for the production of high octane gasoline in the presence of a catalyst (as clay) in various forms (as pellets or beads either stationary in a fixed bed or moving through… …   Useful english dictionary

  • catalytic cracking — the reduction of the molecular weight of hydrocarbons by a catalyst, accomplished in a petroleum refinery by a type of chemical reactor (catalytic cracker). Cf. cracker (def. 8), cracking (def. 1). * * * …   Universalium

  • catalytic — adj. Chem. relating to or involving catalysis. Phrases and idioms: catalytic converter a device incorporated in the exhaust system of a motor vehicle, with a catalyst for converting pollutant gases into harmless products. catalytic cracker a… …   Useful english dictionary

  • cracker unit — /ˈkrækə junət/ (say krakuh yoohnuht) noun → catalytic cracker …   Australian English dictionary

  • cracker — /krak euhr/, n. 1. a thin, crisp biscuit. 2. a firecracker. 3. Also called cracker bonbon. a small paper roll used as a party favor, that usually contains candy, trinkets, etc., and that pops when pulled sharply at one or both ends. 4. (cap.)… …   Universalium

  • cat cracker — noun a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst • Syn: ↑catalytic cracker • Hypernyms: ↑chemical reactor • Part Holonyms: ↑oil refinery, ↑petroleum refinery * …   Useful english dictionary

  • cat-cracker — /katˈkra kər/ noun (in full, catalytic cracker) an industrial plant in which the chemical cracking of crude petroleum is speeded up by the use of a catalyst catˈ cracking (in full, catalytic cracking) noun cat cracker noun see separate entry. • • …   Useful english dictionary

  • cat cracker — /ˈkæt krækə/ (say kat krakuh) noun Colloquial → catalytic cracker …   Australian English dictionary

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