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rock cycle

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noun
  1. Geology. a continuous process by which rocks are created, changed from one form to another, destroyed, and then formed again.
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Also called geological cycle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for rock cycle

rock cycle

noun
  1. another name for geological cycle
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012