/ Dictionary / Index V virology: Meaning and Definition of Find definitions for: vi•rol•o•gy Pronunciation: (vī-rol'u-jē, vi-), [key] — n. the science dealing with the study of viruses and the diseases caused by them. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: virology (Thesaurus) viroid Viron Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language