gallic acid

名词 n.

英文释义

名词 n.
  1. a phenolic carboxylic acid, 3,4,5-trihydroxybenzoic acid, found in galls, tea, the bark of some trees etc; a constituent of tannin uncountable
  2. the supposed acid H₃GaO₃, the acid form of the amphoteric gallium hydroxide Ga(OH)₃, known only as alkali metal salts uncountable
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