<p><strong>Noun</strong></p><ul><li>the act or process of fusing; the state of being fused.</li><li>that which is fused; the result of fusing: A ballet production is the fusion of many talents.</li><li>Politics. a coalition of parties or factions.</li><li>(initial capital letter) the political party resulting from such a coalition.</li><li>Also called nuclear fusion.</li><li>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.</li><li>Compare fission.</li><li>Ophthalmology. Also called binocular fusion.</li><li>the correct blending of the images of both eyes.</li><li>the perception of rapid, intermittent flashes of light as a continuous beam.</li><li>popular music that is a blend of two styles, especially a combining of jazz with either rock, classical music, or such ethnic elements as Brazilian or Japanese music.</li><li>Linguistics. the merging of linguistic elements, especially morphemes, usually accompanied by a change in the form of the elements.</li></ul><p><strong>Adjective</strong></p><ul><li>(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.</li></ul>