Definition of variolate in English:

variolate

verb

Medicine
historical
  • with object To inoculate with material from the pocks of variola (smallpox), especially to prevent or protect against the disease. In early use also: †to change into variolous matter (obsolete).

Origin

Mid 18th century. From variola + -ate, after variolated.

Pronunciation

variolate

/ˈvɛːrɪəleɪt/