Thesaurus approach as the instrument for modelling lexical-semantic structure of a terminological field

This article is the second part of the research focused on the applicability of the thesaurus approach as one of the instruments for building a lexical-semantic model of terminological fields belonging to various subject areas. Among other issues the author of the article analyses and compares a number of definitions of thesaurus found in scientific works provided by various linguists. On the basis of the analyses performed the author lays down some basic features of the thesaurus approach. Also, the issue of applicability of the thesaurus approach to lexical-semantic groups of various volume and formality degree is discussed. In addition to this, the author pays attention to analyses of some types of semantic relations between lexical units that form a terminological field.