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gallic acid

Line breaks: gal¦lic acid
Pronunciation: /ˈɡalɪk
 
/

Definition of gallic acid in English:

noun

[mass noun] Chemistry
An acid extracted from oak galls and other vegetable products, formerly used in making ink.
Example sentences
  • Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents (Guizou, China).
  • Modern compositions use other unstable, albeit somewhat less hazardous, aromatic compounds such as gallic acid or the salts of aromatic acids including sodium salicylate and potassium benzoate.
  • Then, the paper is floated on a mixture containing silver nitrate and gallic acid.

Origin

late 18th century: gallic from Latin galla 'oak gall' (see gall3) + -ic.

Definition of gallic acid in:

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