Inoculation
Part of speech: noun
Definition: The introduction of an antigenic substance or vaccine into the body to produce immunity to a specific disease. The introduction of a microorganism into a culture medium. An inoculum, what is inoculated
Vaccination
Part of speech: noun
Definition: Inoculation with a vaccine in order to protect a particular disease or strain of disease
Example sentence: The rich man's dog gets more in the way of vaccination, medicine and medical care than do the workers upon whom the rich man's wealth is built.