Pronunciation change

  • IPA (key): /vækˈsiːn/ or /ˈvæk.siːn/ or /ˈvæk.sɪn/ or /vækˈsaɪn/
  • (file)
  • Hyphenation: vac‧cine

Noun change

Singular
vaccine

Plural
vaccines

  1. (countable & uncountable) (medicine) A vaccine is a liquid substance that is given to a person so that they don't get a certain disease or illness, usually through an injection or through the mouth.
    Vaccines have eliminated many diseases from the world, like smallpox.

Related words change