vaccine

9 ENTRIES FOUND:

vac·cine

noun \vak-ˈsēn, ˈvak-ˌ\

Definition of VACCINE

1
: matter or a preparation containing the virus of cowpox used to vaccinate a person against smallpox
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 <chicken pox vaccine>; also : a mixture of several such vaccines <measles-mumps-rubella vaccine>

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