FUSION

noun Usage: often attributive Etymology: Latin ~-, fusio, from fundere Date: 14th century the act or process of liquefying or rendering plastic by heat, a union by or as if by melting: as, a merging of diverse, distinct, or separate elements into a unified whole, a political partnership ; coalition , popular music combining different styles (as jazz and rock), food prepared using techniques and ingredients of two or more ethnic or regional cuisines, the union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy when certain light elements unite