Voice term in the lexicon mediator - Critical Study

Abstract

The Arabic language academy in the cairo published the leading linguistic dictionary called ((the wassit dictionary)) in the second middel of the twenty centuries. this dictionary dealt with the defferent scientific terms by mentioning the human and pure sciences ones. from these terms belonged to the phonetic.                              This research had great interested in following the system of the phonetic terms in the wassit dictionary after the writer of research turned his attention to agroup of these terms listed in this dictionary because there are no accurate scientifically definition for their meaning , so I wish to follow this subject and investigate their examples as well as I am subjected them to critical and objective study to address the aspects of the phonetic thought in the wassit dictionary according to the ancient phonetic Heritage and the advanced ideas , conception and theories in this knowledge for this parpose I write down this research .