单词	celloidin
释义	celloidin noun cel·​loi·​din se-ˈlȯi-dᵊn  : a purified pyroxylin used chiefly in microscopy Word History Etymology cellulose + -oid entry 1 + -in entry 1 First Known Use 1883, in the meaning defined above Medical Definition celloidin noun cel·​loi·​din se-ˈlȯid-ᵊn  : a purified pyroxylin used chiefly in microscopy
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