fusion meaning and definition

FUSION noun

Definition of fusion (noun)

1. an occurrence that involves the production of a union
   • synonyms: merger, unification
2. the state of being combined into one body
   • synonyms: coalition
3. the merging of adjacent sounds or syllables or words
4. a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
   • synonyms: nuclear fusion, nuclear fusion reaction
5. the combining of images from the two eyes to form a single visual percept
   • synonyms: optical fusion
6. correction of an unstable part of the spine by joining two or more vertebrae; usually done surgically but sometimes done by traction or immobilization
   • synonyms: spinal fusion
7. the act of fusing (or melting) together