Structural features of polylexical terms of the sub-sector "High-speed highways (HSR)" in English

the article is devoted to the study of structural features of polylexemic terms in the framework of «HSR» subindustry and their functioning in the English language. The appearance and development of modern scientific and technical branches lead to the emergence of new terminology connected with these fields. The more complicated the phenomenon technically is, the more components are included in its terminological structure for the description of this concept. The article studies the formation of terminological units and their difference from free word combinations that contain terminological units. The research methodology is represented by the review of scientific works of domestic and foreign researchers on the discussed issue; also methods of analysis, comparison, substitution and the method of continuous sampling are used to reveal the main structural features of polylexemic units in high-speed rail terminology. The results of the scientific work are presented in the form of conclusion concerning the present day state of relatively new compound terminological units and the prospects of their development and also contribute to the solution of the problem connected with the differences between polylexemic terms and free word combinations.

HSR, polylexemic term, free word combination, word formation, term formation, structural features