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cracking |
Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Idioms, Wikipedia, Hutchinson | 0.09 sec. |
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cracking 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 cracking [′krak·iŋ] (chemical engineering) A process that is used to reduce the molecular weight of hydrocarbons by breaking the molecular bonds by various thermal, catalytic, or hydrocracking methods. (engineering) Presence of relatively large cracks extending into the interior of a structure, usually produced by overstressing the structural material.
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At that instant the air sprang to flame, a cracking shock of thunder shook the stunned world and Henry Armstrong tranquilly sat up. The mice sat on their door- steps cracking cherry-stones, they winked at Peter Rabbit and little Benjamin Bunny. This trick, a bad habit, the cracking of his fingers, always soothed him, and gave precision to his thoughts, so needful to him at this juncture. |
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