Diffusion (disambiguation)

Diffusion is a time-dependent random process causing a spread in space.

Diffusion may also refer to:

In 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
• Eddy diffusion

In physical sciences, more specific or modified meanings

• 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
• Photon diffusion, an optical effect
  • Diffuse reflection, the reflection of light from an uneven or granular surface
• Reverse diffusion
• Rotational diffusion
• Self-diffusion
• Surface diffusion
• Thermodiffusion

In the social sciences

• Diffusion of innovations within a society or a culture or between them
• Lexical diffusion within a culture
• Trans-cultural diffusion of culture items between cultures

In computer science

• Diffuse reflection, the reflection of light from an uneven or granular surface
• Diffusion (cryptography), the spreading of influence of bits in a cipher
• Error diffusion in image processing

In other areas

• Diffusion (business), the process by which a new idea or new product is accepted by the market
• Diffusion process, in probability theory the solution to a stochastic differential equation
• Diffusion of responsibility
• Society for the Diffusion of Useful Knowledge
• Diffusion Science Radio Show, a science radio show and podcast on 2SER in Sydney
• Diffusion Records, an independent record label
• Diffusion (album), a 2008 album by 7for4

See also

• Migration (disambiguation)
• Diffuse nebula

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