Look up diffusion in Wiktionary, the free dictionary.
Diffusion is a time-dependent random process causing a spread in space.
Diffusion may also refer to:
Physical sciences
- Molecular diffusion, spontaneous dispersion of mass (distinct from migration, caused by an external force)
- Conduction of heat
- Momentum diffusion
- Diffusion 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
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
Technology
- Diffusion (cryptography), the spreading of influence of bits in a cipher
- Error diffusion in image processing
- Diffusion model in machine learning media or text generation.
Other uses
- Diffusion (business), the process by which a new idea or new product is accepted by the market
- Diffusion line, a secondary line of merchandise created by a high-end fashion designer
- Diffusion Pharmaceuticals, a drug development company
- 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
- Sound diffusion, a performance practice in electronic music
See also
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