The article is an attempt at answering the question about the function of metaphors and their formal-semantic shape mainly in poetic and scientific texts. The comparative analysis being carried out proves that metaphorical conjunctions occur in both variants of utterances but their stylistic function, frequency and a degree of conventionalization are of a different character. Innovative and strongly individualized metaphors are characteristic of poetry whereas for the language of science – mainly metaphors considerably standardized based on system models and structures whose genetic innovative- ness we are no longer aware of; rarely innovative metaphors. Therefore it seems unauthorized to treat metaphors as universal linguistic label...