1. (n.) The act or process of scattering or dispersing, or the state of being scattered or separated; as, the Jews in their dispersion retained their rites and ceremonies; a great dispersion of the human family took place at the building of Babel.

2. (n.) The separation of light into its different colored rays, arising from their different refrangibilities.

addition adjunct administration aggrandizement aloofness ampliation amplification anarchy augmentation blackout blocking breakup broadening chaos confusion crescendo deactivation deflection deflexure dematerialization demobilization departure deployment detachment diaspora diffraction diffusion disappearance disappearing disbandment disbursal disbursement discontinuity discreteness disintegration disjunction dislocation dismissal disorder disorganization dispensation dispersal disposal disposition dissipation dissolution dissolving distortion distribution dole doling doling out eclipse elimination emanation enlargement entropy erasure evanescence evaporation expansion extension extinction fadeaway fadeout fading fanning out flare flection flexure giving out going hiking incoherence inconsistency increase issuance magnification melting nonadhesion noncohesion occultation parting passing passing around paying out radiance radiation radius raising ray refraction release scatter scattering separateness separation skewness splay split-up spoke spread spreading torsion unadherence unadhesiveness untenacity upping vanishing vanishing point widening wipe