Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Intermediate Dictionary
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
Show Word Parts
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
vaccine

vac·cine

vaccine

 
 
pronunciation:
vaek sin
features:
Word Explorer
part of speech: noun
definition: germs of a disease that are dead or not active. Vaccines are used to help the immune system protect against the disease.
There is a new vaccine for the flu every year.
Word Explorer
See
  disease, virus