Definitions of dispersion

1. the act of dispersing or diffusing something; " the dispersion of the troops"; " the diffusion of knowledge"

2. 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.

3. The separation of light into its different colored rays, arising from their different refrangibilities.

4. A scattering: ( med.) the removal of inflammation: ( optics) the separation of light into its different rays.

5. A scattering; separation.

6. The act of dispersing, or the state of being dispersed; something dispersed.

7. The act of scattering; the state of being scattered; the separation of light into its different coloured rays; the removing of inflammation from a part, and restoring it to its natural state.

8. The act or state of scattering; in optics, the separation of light into its different coloured rays in passing through a prism.