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.
It would have been possible to write all Egyptian words in the manner of these signs, but the Egyptians never did so and never simplified their complex writing into a true alphabet. Each uniliteral glyph once had a unique reading, but several of these fell together as Old Egyptian developed into Middle Egyptian.