In the era of information technology, language plays a key role in the process of communication. This paper focuses on the linguistic aspects of computer mediated communication of EFL teachers represented by professional terminology. National professional terminology of education and international educational thesaurus plays a vital role in producing high quality communication of theorists and practitioners of education. This paper considers International Educational Lexicography (IELJ as an integrative interdisciplinary approach to enhance international professional exchange and mutual understanding of theorists and practitioners of education world-wide.