(historical) The inoculation of a person with smallpox with the intention of inducing a mild form of the illness and subsequent immunity to the disease.

plural of variolation

Having the appearance of smallpox

To infect with smallpox

(medicine, obsolete) Variolation: inoculation against smallpox using material from a smallpox lesion

smallpox; variola / (geology) A spherule of a variolite. / A shallow pit or pitted marking.

(medicine) Of or pertaining to smallpox.

(medicine) variolous

plural of variole

Third-person singular simple present indicative form of variolate