1. (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
   "The diffusion of oxygen through cell membranes is crucial for cellular respiration"
    
2. The act of dispersing or diffusing something
   "the diffusion of knowledge";
   - dispersion, dispersal, dissemination
    
3. The property of being diffused or dispersed
   "The diffusion of the perfume filled the entire room";
   - dissemination
    
4. (mythology) the spread of social institutions (and myths and skills) from one society to another
   "The diffusion of agricultural techniques improved crop yields across the continent"

Derived forms: diffusions

Type of: action, activity, dispersion, distribution, natural action, natural process, spread, spreading

Encyclopedia: Diffusion, Information et Communication