You searched for: “inoculation
1. Taking a vaccine as a precaution against contracting a disease.
2. Introduction of material (usually a vaccine) into the tissues.
3. A mode of entry of bacteria into the body.
4. The act or an instance of inoculating, especially the introduction of an antigenic substance or vaccine into the body to produce immunity to a specific disease.
5. Informal, a preemptive advertising tactic in which one party attempts to foresee and neutralize potentially damaging criticism from another party by being the first to confront troublesome issues.
6. Etymology: from Latin inoculare, "to engraft an eye, or a bud, from one tree into another one, to implant"; from in-, "in" + oculare, "to furnish with eyes", from oculus, "eye, bud".
Word Entries at Get Words: “inoculation
The prevention of a disease by the introduction to the body, in small quantities, of the virus or other microorganism that causes a disease.