say it: di-SPUR-zhuhn
dispersion is a noun meaning "spreading widely or driving off". It carries 3 recorded senses.
spreading widely or driving off
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”
the act of dispersing or diffusing something
“the dispersion of the troops”
“the diffusion of knowledge”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for dispersion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.