roztavených

Roztavených is a Czech grammatical form that functions as the genitive plural of the adjective roztavený, meaning melted or molten. It describes materials that have been heated to a liquid state, such as metals, alloys, glass, or other substances processed by melting. The form roztavených is most commonly encountered in technical and scientific language, where it accompanies masculine inanimate nouns in genitive plural, for example roztavených kovů.

Etymology and meaning: roztavený derives from the verb roztavit, meaning to melt down or liquefy. The prefix roz- adds a sense of completion or thoroughness, while -ený forms a past participle used as an adjective. In plural genitive, the ending -ých signals masculine inanimate nouns, yielding roztavených kovů, roztavených slitin, and similar phrases.

Grammar and usage: roztavených is not used on its own as a stand-alone noun; it is a modifier that agrees with a following genitive plural noun. It appears in texts discussing processes, properties, or conditions of materials after melting. Common collocations include roztavených kovů (molten metals) and roztavených slitin (molten alloys). The related forms roztavená and roztavené mark feminine and neuter or plural subject forms in other cases.

Context and examples: In metallurgy and materials science, discussions about pouring, alloying, or refining often reference the state of materials roztavených kovů or roztavených slitin. The term can also appear in descriptive or historical writing about foundries and metalworking.

See also: roztavit, tavení, tavenina, slitina.