Main Entry: fu·sion

Pronunciation: \ˈfyü-zh^ən\

Function: noun

Usage: often attributive

Etymology: Latin fusion-, fusio, from fundere

Date: 14th century

1 : the act or process of liquefying or rendering plastic by heat
2 : a union by or as if by melting: as a : a merging of diverse, distinct, or separate elements into a unified whole b : a political partnership : coalition c : popular music combining different styles (as jazz and rock) d : food prepared using techniques and ingredients of two or more ethnic or regional cuisines —called also fusion cuisine
3 : the union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy when certain light elements unite