Fusion [fyoo-zhuhn] : A process where nuclei collide so fast they stick together and emit a great deal of energy. In the center of most stars, hydrogen fuses together to form helium. Fusion is so powerful it supports the star's enormous mass from collapsing in on itself, and heats the star so high it glows as the bright object we see today. Scientists here on earth are trying to make nuclear fusion in the laboratory a useful energy source.
or..
–noun1. The act or process of fusing; the state of being fused.
2. That which is fused; the result of fusing: A ballet production is the fusion of many talents.
3. Politics .
a. A coalition of parties or factions.
b. ( Initial capital letter ) The political party resulting from such a coalition.
4. 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 ) .
5. Ophthalmology .
a. Also called binocular fusion. the correct blending of the images of both eyes.
b. The perception of rapid, intermittent flashes of light as a continuous beam.
6. 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.
7. Linguistics . the merging of linguistic elements, esp. morphemes, usually accompanied by a change in the form of the elements.
–adjective8. (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.
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