diffusion
1. [ noun ] (physics) the process of diffusing; the intermingling of molecules in gases and liquids as a result of random thermal agitation
Related terms: natural_process permeation transport osmosis physics
2. [ noun ] the property of being diffused or dispersed
Synonyms: dissemination
Related terms: distribution circulate
3. [ noun ] the spread of social institutions (and myths and skills) from one society to another
Related terms: spread mythology
4. [ noun ] the act of dispersing or diffusing something
Synonyms: dispersal dissemination dispersion
Examples:

"the dispersion of the troops" "the diffusion of knowledge"

Related terms: spread crop-dusting circulate diffuse disperse
Similar spelling:   diffusing
  division
  divisional
  diffuseness