coupage
/kuːˈpɑːʒ/Definitions
1. noun
A change in the rhythm or meter of a piece of music, especially a sudden shift from one tempo or time signature to another.
“The composer’s use of coupage added surprise and complexity to the symphony.”
2. noun
A mixture of different ingredients, especially paint or other liquids, used to create a particular effect or texture.
“The artist used a special coupage to achieve the desired finish on the wooden panel.”