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单词 digallic
释义

digallicadj.

/dʌɪˈɡalɪk/
Etymology: < di- comb. form + gallic adj.2
Chemistry.
In digallic acid, which has the composition of two molecules of gallic acid, minus one equivalent of water.
ΚΠ
1877 H. Watts Fownes's Man. Elem. Chem. (ed. 12) II. 547 Gallotannic Acid, Digallic Acid or Tannin..occurs in large quantity in nut-galls..and many other plants.
This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2018).
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adj.1877
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