Meaning of immunization

im•mu•ni•za•tion

Pronunciation: (im"yu-nu-zā'shun, i-my"-), [key]
— n.
  1. the fact or process of becoming immune, as against a disease.
  2. 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.
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