GNU Collaborative International Dictionary of English

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Found 3 definitions

1.       
   Gallic (?), a. [From Gallium.] (Chem.) Pertaining to, or containing, gallium.
   
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2.       
   Gallic (277), a. [From Gall the excrescence.] Pertaining to, or derived from, galls, nutgalls, and the like.
   
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   Gallic acid (Chem.), an organic acid, very widely distributed in the vegetable kingdom, being found in the free state in galls, tea, etc., and produced artificially. It is a white, crystalline substance, C6H2(HO)3.CO2H, with an astringent taste, and is a strong reducing agent, as employed in photography. It is usually prepared from tannin, and both give a dark color with iron salts, forming tannate and gallate of iron, which are the essential ingredients of common black ink.
   
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3.       
   Gallic (?), a. [L. Gallicus belonging to the Gauls, fr. Galli the Gauls, Gallia Gaul, now France: cf. F. gallique.] Pertaining to Gaul or France; Gallican.
   
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