polymeteric
Polymeteric is a term used in music to describe the simultaneous use of two or more meters. Instead of a single, overarching time signature, a piece of music with polymeter features different rhythmic patterns or groupings of beats occurring at the same time. This creates a complex and often disorienting but also richly textured soundscape. For example, one instrument might be playing in 3/4 time while another plays in 4/4 time. Both meters will be in sync at certain points but will also create moments of rhythmic tension and release as their accents diverge and realign.
The effect of polymeter can range from subtle to strikingly apparent, depending on how the different meters