DISPERSION

dispersion, dispersal, dissemination, diffusion

(noun) the act of dispersing or diffusing something; “the dispersion of the troops”; “the diffusion of knowledge”

distribution, dispersion

(noun) the spatial or geographic property of being scattered about over a range, area, or volume; “worldwide in distribution”; “the distribution of nerve fibers”; “in complementary distribution”

dispersion, scattering

(noun) spreading widely or driving off

Source: WordNet® 3.1

Etymology

Noun

dispersion (countable and uncountable, plural dispersions)

The state of being dispersed; dispersedness.

A process of dispersing.

The degree of scatter of data.

(optics) The separation of visible light by refraction or diffraction.

(medicine) The removal of inflammation.

Anagrams

• pieds noirs

Source: Wiktionary

Dis*per"sion, n. Etym: [CF. F. dispersion.]

1. 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. The days of your slaughter and of your dispersions are accomplished. Jer. xxv. 34.

2. (Opt.)

Definition: The separation of light into its different colored rays, arising from their different refrangibilities. Dispersion of the optic axes (Crystallog.), the separation of the optic axes in biaxial crystals, due to the fact that the axial angle has different values for the different colors of the spectrum.

Source: Webster’s Unabridged Dictionary 1913 Edition