definition of
fusion

[1] #1 fusion n. [merger, unification] an occurrence that involves the production of a union. wn

[2] #2 fusion n. [coalition] the state of being combined into one body. wn

[3] #3 fusion n. the merging of adjacent sounds or syllables or words. wn

[4] #4 fusion n. [nuclear fusion, nuclear fusion reaction] a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy. wn

[5] #5 fusion n. [optical fusion] the combining of images from the two eyes to form a single visual percept. wn