dome. 1  a vault, having a circular plan and usually in the form of a portion of a sphere, so constructed as to exert an equal thrust in all directions. 2  a domical roof or ceiling. 3  a polygonal vault, ceiling, or roof.
Egyptian Arabic is used in most social situations, with Modern Standard and Classical Arabic generally only being used in writing and in highly religious and/or formal situations. However, within Egyptian Arabic, there is a wide range of variation.
As with many other developing forms of written communication in early world civilizations, ancient Egyptian hieroglyphics were impressed on clay tablets for record keeping. The earliest forms of Egyptian writing are dated to 3000 B.C. Wood was also used as a writing surface, such as for carving symbols into coffins. Egyptians inscribed texts upon their building surfaces, including the limestone, sandstone or granite of their temples and tombs.