nuclear fusion

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Related to Atomic fusion: nuclear fusion, thermonuclear, atomic fission

nu·cle·ar fu·sion

the formation of more complex atomic nuclei from less complex nuclei with release of energy, as in the formation of helium nuclei from hydrogen nuclei (hydrogen fusion).

nuclear fusion

Joining of the nucleus of small atoms to form larger atoms. It occurs when temperatures reach millions of degrees. An example is the nuclear reaction joining hydrogen together to form helium and resulting in the significant release of energy.
See also: fusion


1. the act or process of melting.
2. the merging or coherence of adjacent parts or bodies.
3. the operative formation of an ankylosis or arthrosis.

diaphyseal-epiphyseal fusion
operative establishment of bony union between the epiphysis and diaphysis of a bone.
nerve fusion
nerve anastomosis done to induce regeneration for resupplying empty tracts of a nerve with new growth of fibers.
nuclear fusion
the fusion of two atomic nuclei to form a single heavier nucleus, resulting in the release of enormous amounts of energy.
spinal fusion
surgical creation of ankylosis between contiguous vertebrae; spondylosyndesis.
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