vac·cine
n 1 : matter or a preparation containing the virus of cowpox in a form used for vaccination 2 : a preparation of killed microorganisms, living attenuated organisms, or living fully virulent organisms that is administered to produce or artificially increase immunity to a particular disease <polio > : also : a mixture of several such vaccines <measles-mumps-rubella > .
Similar sounding terms: fu·co·san vac·ci·nee vac·cin·ia
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