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单词 digallic acid
释义 di·gallic acid
\(ˈ)dī+...-\ noun
Etymology: International Scientific Vocabulary di- + gallic
1. : a crystalline phenolic ester acid C14H10O9 obtained as a decomposition product of tannins or made synthetically and yielding two molecules of gallic acid on hydrolysis — called also meta-digallic acid
2. : gallotannin — used chiefly in pharmacy
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