The introduction to the lexicon as follows: came lexicon of Arabic Almasrh- addition to Amaagmeh Alokhry- application of a theoretical consensus that was advocated by the late world (Ahmed Mukhtar Omar), a version of collective dictionaries based on the idea of ​​working with a trained staff team, individual and avoid Kaaab primarily in the production of Arabic dictionaries; in light of the continuing competition and increasing interest by issuing dictionaries with the advent of the twentieth century, and its transformation into an industry, and with inflation, the volume of material handled by the result of the continuous generation of language words and continuous development of semantics, and the need to adopt modern language of science, literature and various knowledge lexicon; it can not now imagine accomplish Lexicon Ma- efficient test, it is required an individual effort, nor can one researcher or group of researchers Challenger culture take on this matter.