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Medical Dictionary

fusion

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noun fu·sion \ˈfyü-zhən\

Medical Definition of fusion

  1. 1a:  the act or process of liquefying or rendering plastic by heatb:  the liquid or plastic state induced by heat

  2. 2:  a union by or as if by melting together: asa:  a merging of diverse elements into a unified whole; specifically :  the blending of retinal images in binocular visionb:  a combination of ingredients achieved by heating and mixing togetherc:  a blend of sensations, perceptions, ideas, or attitudes such that the component elements can seldom be identified by introspective analysis:  the perception of light from a source that is intermittent above a critical frequency as if the source were continuous—called also flicker fusion; compare flickerd:  the surgical immobilization of a joint—see spinal fusion

  3. 3:  the union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy when certain light elements unite—called also nuclear fusion

  4. fu·sion·al \-əl\play adjective





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