/ Dictionary / Index C cytotropic: Meaning and Definition of Find definitions for: cy•to•trop•ic Pronunciation: (sī"tu-trop'ik, -trō'pik), [key] — adj. Biol. (of cells or groups of cells) growing or moving toward or away from each other. having an affinity for cells, as certain viruses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cytotoxin cytotropism Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language