The tutorial contains about 700 terms for the introductory course "Theory of Language." The basis of the dictionary is the basic terminology of linguistics, which students should be able not only to use, but also to determine. The main part of the dictionary is organized according to the thesaurus-thematic principle and includes 10 thematic blocks corresponding to the main sections of the program. The book is a new type of educational dictionary - an educational dictionary, which determines its value for students and teachers.