the act or process of fusing; the state of being fused.

that which is fused; the result of fusing

A ballet production is the fusion of many talents.

Politics .

a coalition of parties or factions.

( initial capital letter ) the political party resulting from such a coalition.

Also called nuclear fusion. Physics . a thermonuclear reaction in which nuclei of light atoms join to form nuclei of heavier atoms, as the combination of deuterium atoms to form helium atoms. Compare fission ( def. 2 ) .

Ophthalmology .

Also called binocular fusion. the correct blending of the images of both eyes.

the perception of rapid, intermittent flashes of light as a continuous beam.

popular music that is a blend of two styles, esp. a combining of jazz with either rock, classical music, or such ethnic elements as Brazilian or Japanese music.

Linguistics . the merging of linguistic elements, esp. morphemes, usually accompanied by a change in the form of the elements.

(of food or cooking) combining usually widely differing ethnic or regional ingredients, styles, or techniques

a restaurant serving French-Thai fusion cuisine; a fusion menu.

noun

disconnection , division , separation

noun

admixture , alloy , amalgam , amalgamation , blend , blending , coadunation , coalescence , coalition , commingling , commixture , compound , federation , heating , immixture , integration , intermixture , junction , liquefaction , liquification , melting , merger , merging , smelting , soldering , synthesis , unification , union , uniting , welding , mix , alliance , fluidity , flux , intermingling , liquefying , mixture , music , reaction