Dictionary
a•vi•an•ize
Pronunciation: (ā'vē-u-nīz"), [key]—
v.t., -ized, -iz•ing.
Microbiol.
to diminish the infectivity of (a virus) by repeated culturing in chick embryos.
Also, esp. Brit.,a'vi•an•ise".Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.