Definition of immunize verb from the Oxford Advanced American Dictionary

 

immunize

 verb
verb
NAmE//ˈɪmyəˌnaɪz//
 
immunize somebody/something (against something)Verb Forms present simple I / you / we / they immunize
 
he / she / it immunizes
 
past simple immunized
 
-ing form immunizing
 
 
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to protect a person or an animal from a disease, especially by giving them an injection of a vaccine a campaign to immunize children against the common killer diseases compare inoculate, vaccinate
immunization
 
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NAmE//ˌɪmyənəˈzeɪʃn//
 
noun [uncountable, countable] an immunization program to prevent epidemics
See the Oxford Advanced Learner's Dictionary entry: immunize