n. The process by which an individual is exposed to a material that is designed to prime his or her immune system against that material.
n. One such exposure.
the GNU version of the Collaborative International Dictionary of English
n. the act of making immune (especially by inoculation).
The Century Dictionary and Cyclopedia
n. The artificial adaptation of an animal to foreign cells or cell products, brought about by the injection of such foreign material. See immunity, 5.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the act of making immune (especially by inoculation)
Word Usage
"The word immunization comes from the Latin word Immunes, referring to “a group of soldiers who once having fought and survived a battle never had to fight again.”"