fusion

noun

1. an occurrence that involves the production of a union

   noun.event

   Synonyms merger unification

   Source: WordNet 3.0

2. the state of being combined into one body

   noun.state

   Synonyms coalition

   Source: WordNet 3.0

3. the merging of adjacent sounds or syllables or words

   noun.process

   Source: WordNet 3.0

4. a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy

   noun.process

   Synonyms nuclear fusion nuclear fusion reaction

   Source: WordNet 3.0

5. the combining of images from the two eyes to form a single visual percept

   noun.cognition

   Synonyms optical fusion

   Source: WordNet 3.0

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

   noun.act

   Synonyms spinal fusion

   Source: WordNet 3.0

7. the act of fusing (or melting) together

   noun.act

   Source: WordNet 3.0

8. The act or operation of melting or rendering fluid by heat; the act of melting together; as, the fusion of metals.

   noun

   Source: webster1913