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单词 gallic acid
释义
gal·lic acid (gălĭk, gôlĭk)
n.
A colorless crystalline polyphenol, C7H6O5, derived from certain tannins and used as a tanning agent, as an ink dye, in photography, and in pharmaceuticals.

[French acide gallique, from galle, plant gall; see GALL3.]
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