diffusion

 
Pronunciation: /dɪˈfjuːʒ(ə)n/

noun

[mass noun]
  • the spreading of something more widely: the rapid diffusion of ideas and technology
  • the action of spreading the light from a light source evenly to reduce glare and harsh shadows.
  • Physics the intermingling of substances by the natural movement of their particles: the rate of diffusion of a gas
  • Anthropology the dissemination of elements of culture to another region or people.

Derivatives

diffusionism

noun ( Anthropology)

diffusionist

adjective & noun ( Anthropology)

diffusive

adjective ( Physics)

Origin:

late Middle English (in the sense 'pouring out, effusion'): from Latin diffusio(n-), from diffundere 'pour out'