vaccine

Pronunciation

• IPA ^(key): /vækˈsiːn/ or /ˈvæk.siːn/ or /ˈvæk.sɪn/ or /vækˈsaɪn/

• Audio (US)

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Noun

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

• vaccinate
• vaccination