The diploma thesis focuses on linguistic terminology in current mass media discourse. The main objective of this thesis is to analyze the occurrences of linguistic terms in the corpus SYN2013PUB and to describe their function, meaning and context and the process of their determinologization. The first part concerns the existing approaches to terms and terminology, the specifics of the linguistics terminology, the function of the terms in the professional style and their use in the journalistic style. Furthermore, the thesis deals with the relations between general lexicon and terminology, terminologization and determinologization. The analysis of the examples indicates, how to follow the determinologization in the texts. The examples are classified according to the indicators of determinologization. These indicators are typical means of journalistic style (which contains terms), journalistic innovation of the collocability, specific ways of explaining the terms and the semantics or formal modifications of the terms. The determinologization is considered an unfinished process, accomplished for diverse corpus occurrences of linguistic terms in various extent.