Definitions

1. verb

to protect or provide immunity against a disease or a specific antigen

“The vaccine will immunise the children against measles.”

2. verb

to render immune to a particular disease or infection

“This medication will immunise the patient from further infections.”

3. noun

the action of rendering someone immune to a particular disease or infection

“The immunisation programme aims to protect all citizens.”

4. verb

to make something immune to a particular disease or infection

“The scientists are working to immunise the crop against pests.”