/ Dictionary / Index C cataclasis: Meaning and Definition of Find definitions for: cat•a•cla•sis Pronunciation: (kat"u-klā'sis, ku-tak'lu-sis), [key] — n. Petrol. a process of deformation or metamorphism in which the grains of a rock are fractured and rotated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. catachresis cataclysm Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language