vac·cine 
(văk-sēn, văksēn′)
(văk-sēn, văksēn′)n.
1.
a. A preparation of a weakened or killed pathogen, such as a bacterium or virus, or of a portion of the pathogen's structure, that is administered to prevent or treat infection by the pathogen and that functions by stimulating the production of an immune response.
b. A preparation from the cowpox virus that protects against smallpox when administered to an individual.
2. Computers A software program designed to detect and stop the progress of computer viruses.
[From Latin vaccīnus, of cows, from vacca, cow.]
- intercommunicative
- intercommunion
- interconnect
- interconnectable
- interconnectedness
- interconnectible
- interconnection
- intercontinental
- interconversion
- interconvert
- interconvertibility
- interconvertible
- intercool
- intercooler
- intercostal
- intercourse
- intercrop
- intercultural
- intercurrent
- intercut
- interdenominational
- interdental
- interdentally
- interdepartmental
- interdependence