In petroleum geology and chemistry, cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon-carbon bonds in the precursors. /ˈkrækɪŋ/ ipa guide other forms: (in the distillation of petroleum) the process of breaking down complex hydrocarbons into simpler compounds with lower boiling points, as gasoline. Compare catalytic cracking. Cracking is the process of breaking into smaller units, especially the process of splitting a large heavy hydrocarbon molecule into smaller, lighter components. [~ + object] i cracked a few pieces of … To break with a sudden, sharp sound: Crack•ing (ˈkræk ɪŋ) n. Crackings definitions of cracking noun the act of cracking something synonyms: To break open or into many parts: How to use cracking in a sentence. (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, etc. , in order to give a greater yield of low-boiling products than could be obtained by simple distillation. He scored with a cracking shot into the back of the goal. The meaning of cracking is very impressive or effective : [no object] the wood in the fireplace cracked suddenly. · cracking (plural crackings) (organic chemistry, petrochemistry) the thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline. [no object] the egg cracked when it hit the floor. [~ + object] cracked an egg into the bowl. Decomposition of a complex substance by the application of steam, a catalyst, or heat, especially the breaking of petroleum molecules into shorter molecules to extract low-boiling fractions such as gasoline. The marathon began at a cracking (= very fast) pace.
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In petroleum geology and chemistry, cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules...
