Editing Diffusion (disambiguation) (section)

==Physical sciences==
* [[Molecular diffusion]], spontaneous dispersion of mass (distinct from migration, caused by an external force)
* [[Conduction of heat]]
* [[Momentum diffusion]]
* [[Diffusion equation]]
** [[Heat equation]]
** [[Schrödinger equation]]
* [[Eddy diffusion]]

===More specific meanings ===
* [[Anomalous diffusion]], the movement of particles from a region of lower concentration to a region of higher concentration
* [[Diffusion MRI]]
* [[Diffusion (acoustics)]], sound waves
* [[Atomic diffusion]]
* [[Brownian motion]]
* [[Collective diffusion]]
* [[Facilitated diffusion]]
* [[Effusion]] of a gas through small holes
* [[Gaseous diffusion]]
* [[Itō diffusion]]
* [[Knudsen diffusion]] of particles from very small containers
* [[Osmosis]], the movement of molecules through a membrane
* [[Reverse osmosis]], a process to separate unwanted particles from a fluid
* [[Photon diffusion]], an optical effect
** [[Diffuse reflection]], the reflection of light from an uneven or granular surface
* [[Reverse diffusion]], the movement of particles from a region of lower concentration to a region of higher concentration
* [[Rotational diffusion]]
* [[Self-diffusion]]
* [[Surface diffusion]]
* [[Thermodiffusion]]