Abstract
The article examines the problem of the nomination of regional vocabulary, to a certain extent reflecting the peculiarities of the life of the inhabitants of a particular region. The relevance of the work is due to the heightened interest in the study of territorially marked linguistic units operating in cities in recent decades. Their study is extremely important not only for linguistic regional studies, but also for determining the peculiarities of the development of a literary language that actively interacts with regions. In this regard, the problem of designating the linguistic units of the regiolect arises, which has not yet been fully solved. The heterogeneous nature of the regiolects (dialects, geographically marked vernaculars, literary linguistic units, local borrowings), contradictory interpretation of the linguistic norm, ignorance of the systemic nature of terminology complicate the aforementioned problem. The purpose of the article is to determine the most appropriate term to denote territorially marked vocabulary. To achieve this goal, the following research methods were used: - theoretical - analysis and synthesis of linguistic literature on the research problem; - comparative-comparative - comparison of terms used to denote regional vocabulary, identifying the degree of their consistency and adequacy to the nominated object. In the course of the work done, the following results were obtained. An extraordinary inconsistency in the terminological naming of territorially marked vocabulary is revealed. The advantages and disadvantages of each term are established, taking into account the accuracy of the designated object and the systemic nature of the terminology. The term is defined that most adequately reflects the essence of the designated object and is organically included in the system of linguistic terminology. The relation of regionalisms to general literary vocabulary is revealed and their non-standardization is proved. The inconsistency of identifying the regional linguistic norm and the regional variant of the literary language has been substantiated.

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