/ Dictionary / Index A avianize: Meaning and Definition of Find definitions for: a•vi•an•ize Pronunciation: (ā'vē-u-nīz"), [key] — -ized, -iz•ing. to diminish the infectivity of (a virus) by repeated culturing in chick embryos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: avianize (Thesaurus) avian influenza avian leukosis Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language