- diffusion - (physics) the process of diffusing; the intermingling of molecules in gases and liquids as a result of random thermal agitation
--1 is a kind of natural process, natural action, action, activity
--1 has particulars: osmosis; permeation, pervasion, suffusion; transport- diffusion - the spread of social institutions (and myths and skills) from one society to another
--2 is a kind of spread, spreading
- dissemination, diffusion - the property of being diffused or dispersed
--3 is a kind of distribution, dispersion
- dispersion, dispersal, dissemination, diffusion - the act of dispersing or diffusing something; "the dispersion of the troops"; "the diffusion of knowledge"
--4 is a kind of spread, spreading
--4 has particulars: crop-dusting, sprayingDerived forms: verb diffuse1, verb diffuse2, verb diffuse3 - diffusion - the spread of social institutions (and myths and skills) from one society to another