fusion Meaning, Definition & Usage

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

WordNet

Fu"sion noun
Etymology
L. fusio, fr. fundere, fusum to pour, melt: cf. F. fusion. See Fuse, v. t., aud cf, Foison.
Definitions
  1. The act or operation of melting or rendering fluid by heat; the act of melting together; as, the fusion of metals.
  2. The state of being melted or dissolved by heat; a state of fluidity or flowing in consequence of heat; as, metals in fusion.
  3. The union or blending together of things, as, melted together.
    The universal fusion of races, languages, and customs . . . had produced a corresponding fusion of creeds. C. Kingsley.
  4. (Biol.) The union, or binding together, of adjacent parts or tissues.

Webster 1913