Polymetric refers to a system or structure that involves multiple metrics or measurements. It is often used in fields like data analysis, where various metrics are combined to provide a comprehensive view of performance or trends. This approach allows for a more nuanced understanding of complex data sets. In the context of music, polymetric can describe compositions that use different time signatures simultaneously. This technique creates intricate rhythms and textures, enhancing the overall musical experience. Composers like Igor Stravinsky have famously employed polymetric structures to challenge traditional rhythmic patterns.