What glaciers are made of
• Water or other fluid frozen or reduced to the solid state by cold; frozen water. It is a white or transparent colorless substance, crystalline, brittle, and viscoidal. Its specific gravity (0.92, that of water at 4¡ C. being 1.0) being less than that of water, ice floats. • Concreted sugar. • Water, cream, custard, etc., sweetened, flavored, and artificially frozen. • Any substance having the appearance of ice; as, camphor ice.