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vaccine

vac·cine

vaccine

 
 
pronunciation:
vaek sin
parts of speech:
noun, adjective
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition: a specimen of modified, killed, or avirulent viruses or bacteria, used to inoculate persons or animals in order to stimulate their immune systems to protect against virulent strains.
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part of speech: adjective
definition 1: of or pertaining to a vaccine or vaccination.
definition 2: of or pertaining to cowpox or the virus that causes it.
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  disease, virus