What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Variolation - What does it mean?

variolation | |

variolation

English

Noun

(en noun)
  • (historical) The inoculation of a person with smallpox so as to induce a mild form of the illness and subsequent immunity to it.
  • Not English

    has no English definition. It may be misspelled.