var·i·o·la·tion /ˌværɪəˈleʃən/ 名詞
引痘,人痘接種
Va·ri·o·la·tion n. Med. Inoculation with smallpox.
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variolation
n : the obsolete process of inoculating a susceptible person
with material taken from a vesicle of a person who has
smallpox [syn: variolization]