vaccine
vac-cine · noun
Definitions
noun
- 1.
A biological preparation that provides active acquired immunity to a particular infectious disease.
- 2.
(Computing) A program designed to detect and remove computer viruses.
Forms
plural: vaccines
Related words
Etymology
From Latin vaccinus (of or from cows), from vacca (cow). Coined by Edward Jenner in 1796 when he used cowpox to create immunity against smallpox.