vaccine

US /vækˈsin,ˈvækˌsin/

UK /'væksi:n/

B2

noun

  • Shot using weak disease cells to stop same disease
  • A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.
  • A preparation of weakened or dead microorganisms, or of antibodies, administered to stimulate the production of antibodies and provide immunity against disease, especially in animals.