Dictionary
im•mu•nize
Pronunciation: (im'yu-nīz", i-myOO'nīz), [key]—
v.t., -nized, -niz•ing.
1. to make immune.
2. to render harmless or ineffective; neutralize.
3. Law.to grant (a witness) immunity.
Also, esp. Brit.,im'mu•nise".Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.