| Gallic | a. [ From Gall the excrescence. ] Pertaining to, or derived from, galls, nutgalls, and the like. [ 1913 Webster ]
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. [ 1913 Webster ]
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| Gallicanism | n. The principles, tendencies, or action of those, within the Roman Catholic Church in France, who (esp. in 1682) sought to restrict the papal authority in that country and increase the power of the national church. Schaff-Herzog Encyc. [ 1913 Webster ] |
