Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “smallpox”

smallpox

noun [U]    /ˈsmɔlˌpɑks/
an extremely infectious viral disease that causes fever, spots on the skin, and often death: smallpox vaccinations
(Definition of smallpox noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of smallpox

Definitions of “smallpox” in other dictionaries

Translations of “smallpox”

Word of the Day

altruistic

showing a wish to help or bring advantages to others, even if it results in disadvantage for yourself

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More