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.
There are two main types of written Arabic: 1  Classical Arabic - the language of the Qur'an and classical literature. It differs from Modern Standard Arabic mainly in style and vocabulary, some of which is archaic. All Muslims are expected to recite the Qur'an in the original language, however many rely on translations in order to understand the text.