Osmosis is the spontaneous net movement of water through a semipermeable membrane from a region of low solute concentration to a solution with a high solute concentration, up a solute concentration gradient. It is a physical process in which a solvent...

Trans-cultural diffusion of culture items between cultures

In cultural anthropology:

Diffusion of innovations within a culture

Diffusion, the spontaneous spreading of something such as particles, heat, light, or momentum

Thermal diffusion, in the form of Heat flow

Acoustic diffusion of sound waves

Diffusion (business), the process by which a new idea or new product is accepted by the market

Effusion of a gas through small holes

Diffusion of responsibility

Lexical diffusion within a culture

Atomic diffusion

Diffuse reflection, the reflection of light from an uneven or granular surface

Collective diffusion, the diffusion of a large number of (possibly interacting) particles

Diffusion (cryptography), the spreading of influence of bits in a cipher

Photon diffusion, an optical effect

Momentum diffusion

Knudsen diffusion of particles from very small containers

Reverse diffusion

Electron diffusion, producing electric current

The Diffusion Science Radio Show is a science radio show on 2SER in Sydney and podcast

Diffusion process, in probability theory the solution to a stochastic differential equation