Answer: fusion

AnswerCrossword Clue
FUSIONUnity
FUSIONSolar-energy basis
FUSIONAtomic process
FUSIONNuclear-reaction process
FUSIONSynthesis
FUSIONMelting action
fusioncombination of widely differing ethnic ingredients, techniques, etc.
fusionthermonuclear reaction in which nuclei join to form heavier atoms, releasing energy
fusionblend of popular music styles, esp. jazz and rock
fusionact or result of blending or fusing; state of being fused
fusionthe act of melting together