crácking [kraking]

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• cracking — /ˈkrækɪŋ / (say kraking) noun 1. (in the distillation of petroleum or the like) the process of breaking down certain hydrocarbons into simpler ones of lower boiling points, by means of excess heat, distillation under pressure, addition of a… …  

• cat-cracking — /ˈkæt krækɪŋ/ (say kat kraking) noun Colloquial → catalytic cracking …  

• catalytic cracking — /ˌkætəlɪtɪk ˈkrækɪŋ/ (say .katuhlitik kraking) noun Chemistry the cracking of mineral oils of high boiling point by use of a catalyst …  

• thermal cracking — /θɜməl ˈkrækɪŋ/ (say thermuhl kraking) noun an early oil refining process in which elevated temperatures and pressures are used to break down the complex organic molecules of crude oil into simpler molecules …