fusion
[C/U] Both
This term carries a strong sense of permanent integration where the original boundaries of the components vanish to create something entirely new. It is frequently used in culinary and musical contexts to describe the blending of different cultural influences, such as Tex-Mex or jazz-fusion, suggesting a creative and harmonious synthesis.
Countable when referring to a specific style or blend, such as a fusion of flavors. Uncountable when referring to the physical process of nuclear fusion.