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1889, from immune + -ize. Related: Immunized; immunizing.
immunize im·mu·nize (ĭm'yə-nīz')v. im·mu·nized, im·mu·niz·ing, im·mu·niz·es
To render immune.
To produce immunity in, as by inoculation.
The process of inducing immunity to an infectious organism or agent in an individual or animal through vaccination.
A vaccination that induces immunity. A recommended schedule of immunizations for infants and young children includes vaccines against diphtheria, polio, tetanus, measles, mumps, and rubella.