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单词 tunicin
释义 tunicin Chem.|ˈtjuːnɪsɪn|
[f. tunic + -in1.]
A kind of animal cellulose, C6H10O5, or chitin, occurring in the mantles of tunicates.
1862Miller Elem. Chem. (ed. 2) III. 781 Berthelot calls it [chitin] tunicin, from its entering into the composition of the envelope of some of the tunicate mollusks.1876tr. Schützenberger's Ferment. 147 Derived..from the decomposition of a substance analogous to tunicin or chitin.
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