Medical Dictionary
9 ENTRIES FOUND:

vaccine

noun vac·cine \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>
March 30, 2015
amphibology Hear it
A phrase with more than one interpretation
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears