Last Updated:2025/11/23
(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.
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variolation
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Source Word
variolation
Noun
countable
historical
uncountable
Japanese Meaning
(歴史的)天然痘に対する免疫を得る目的で、軽度の感染を意図して天然痘ウイルスを用いて行う接種法
( plural )