/ Dictionary / Index C cryptovolcanic: Meaning and Definition of Find definitions for: cryp•to•vol•can•ic Pronunciation: (krip"tō-vol-kan'ik), [key] — adj. Geol. of or pertaining to a rock structure providing indirect or incomplete evidence of volcanism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cryptosystem cryptozoic Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language