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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.
Excellent; great: had a cracking time at the dance.
Used as an intensive: a cracking good show.
1. (prenominal) informal fast; vigorous (esp in the phrase a cracking pace)
2. get cracking informal to start doing something quickly or do something with increased speed
informal Brit first-class; excellent: a cracking good match.
(Chemistry) the process in which molecules are cracked, esp the oil-refining process in which heavy oils are broken down into hydrocarbons of lower molecular weight by heat or catalysis. See also catalytic cracker
1. (in the distillation of petroleum) the process of breaking down complex hydrocarbons into simpler compounds with lower boiling points, as gasoline. Compare catalytic cracking.adv.
2. extremely; unusually: a cracking good race.adj.
3. done with precision; smart: a cracking salute.
The process used in the petroleum industry to convert large-chain hydrocarbon molecules to smaller ones. The process uses heat and catalysts.
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|Noun||1.||cracking - a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig"|
noise - sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels"
|2.||cracking - the act of cracking something|
|3.||cracking - the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)|
chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
hydrocracking - the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst
|Adj.||1.||cracking - very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing"|
bang-up, bully, corking, dandy, nifty, not bad, peachy, slap-up, smashing, swell, groovy, keen, great, neat
colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
good - having desirable or positive qualities especially those suitable for a thing specified; "good news from the hospital"; "a good report card"; "when she was good she was very very good"; "a good knife is one good for cutting"; "this stump will make a good picnic table"; "a good check"; "a good joke"; "a good exterior paint"; "a good secretary"; "a good dress for the office"