1. He scored with a cracking shot into the back of the goal. Cracking is the process of breaking into smaller units, especially the process of splitting a large heavy hydrocarbon molecule into smaller, lighter components. Compare catalytic cracking. : housebreaking, burglary. crack•ing (ˈkræk ɪŋ) n. com. The meaning of CRACKING is very impressive or effective : great. . to break open or into many parts: [~ + object] cracked an egg into the bowl. Examples are provided to illustrate real-world usage of words in context. [no object] The egg cracked when it hit the floor. Cracking definition: 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. (in the distillation of petroleum) the process of breaking down complex hydrocarbons into simpler compounds with lower boiling points, as gasoline. Jan 14, 2026 · cracking (plural crackings) (organic chemistry, petrochemistry) The thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline. Cracking is used especially for breaking petroleum molecules into shorter molecules and to extract low-boiling fractions, such as gasoline, from petroleum. [~ + object] I cracked a few pieces of wood and added them to the fire. How to use cracking in a sentence. to break with a sudden, sharp sound: [no object] The wood in the fireplace cracked suddenly. or crack cocaine : a potent form of cocaine that is obtained by treating the hydrochloride of cocaine with sodium bicarbonate to create small chips used illicitly for smoking. Children slipping through the cracks of available youth services. Any opinions expressed do not reflect the views of Dictionary. The marathon began at a cracking (= very fast) pace. The meaning of CRACKING is very impressive or effective : great. Leave the door open a crack.

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