GALLIC a.
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,…
GANG n.
The mineral substance which incloses a vein; a matrix; a gangue. Gang board, or Gang plank. (Naut.) (a) A board or plank, with cleats for steps, forming a bridge by which to enter or leave a vessel. (b) A plank within or without the bulwarks of a vessel's waist, for the sentinel to walk on. -- Gang cask, a small cask…