/ Dictionary / Index C cryptococcus: Meaning and Definition of Find definitions for: cryp•to•coc•cus Pronunciation: (krip"tu-kok'us), [key] — n. any yeastlike fungus of the genus Cryptococcus, including C. neoformans, the causative agent of cryptococcosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cryptococcosis cryptocrystalline Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language