Dictionary
im•mu•ni•za•tion
Pronunciation: (im"yu-nu-zā'shun, i-myOO"-), [key]—
n.
1. the fact or process of becoming immune, as against a disease.
2. Finance.a method of protection against fluctuating bond interest rates by investing in securities having different yields and terms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.