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Transport of dissolved species from the highest to the lowest concentration region
Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) generally from a region of higher concentration to a region of
Diffusion
Technique for the generative modeling of a continuous probability distribution
In machine learning, diffusion models, also known as diffusion-based generative models or score-based generative models, are a class of latent variable
Diffusion_model
Image-generating machine learning model
Stable Diffusion is a deep learning, text-to-image model released in 2022 based on diffusion techniques. The generative artificial intelligence technology
Stable_Diffusion
Theory on how and why new ideas spread
Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett
Diffusion_of_innovations
Mathematical descriptions of molecular diffusion
Fick's laws of diffusion describe diffusion and were first posited by Adolf Fick in 1855 on the basis of largely experimental results. They can be used
Fick's_laws_of_diffusion
Topics referred to by the same term
Look up diffusion in Wiktionary, the free dictionary. Diffusion is a time-dependent random process causing a spread in space. Diffusion may also refer
Diffusion_(disambiguation)
Method of utilizing water in magnetic resonance imaging
Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the
Diffusion-weighted magnetic resonance imaging
Diffusion-weighted_magnetic_resonance_imaging
Type of mathematical model
Reaction–diffusion systems are mathematical models that correspond to several physical phenomena. The most common is the change in space and time of the
Reaction–diffusion_system
Combination of the diffusion and convection (advection) equations
The convection–diffusion equation is a parabolic partial differential equation that combines the diffusion and convection (advection) equations. It describes
Convection–diffusion_equation
Type of stochastic process
Jump diffusion is a stochastic process that involves jumps and diffusion. It is a type of Lévy process. It has important applications in magnetic reconnection
Jump_diffusion
In electrochemistry, region surrounding an electrode in solution
In electrochemistry, the diffusion layer, according to IUPAC, is defined as the "region in the vicinity of an electrode where the concentrations are different
Diffusion_layer
Drift between charged and neutral particles in a plasma
Ambipolar diffusion is diffusion of positive and negative particles with opposite electrical charge (such as electrons and positive ions) due to their
Ambipolar_diffusion
Equation that describes density changes of a material that is diffusing in a medium
The diffusion equation is a parabolic partial differential equation. In physics, it describes the macroscopic behavior of many micro-particles in Brownian
Diffusion_equation
Sociopsychological phenomenon
Diffusion of responsibility is a sociopsychological phenomenon whereby a person is less likely to take responsibility for action or inaction when other
Diffusion_of_responsibility
A diffusion barrier is a thin layer (usually micrometres thick) of metal usually placed between two other metals. It is done to act as a barrier to protect
Diffusion_barrier
Diffusion model over latent embedding space
The Latent Diffusion Model (LDM) is a diffusion model architecture developed by the CompVis (Computer Vision & Learning) group at LMU Munich. Introduced
Latent_diffusion_model
Process by which the market accepts a new idea or product
In business, diffusion is the process by which a new idea or new product is accepted by the market. The rate of diffusion is the speed with which the new
Diffusion_(business)
Geometric algorithm
Diffusion maps is a dimensionality reduction or feature extraction algorithm introduced by Coifman and Lafon which computes a family of embeddings of
Diffusion_map
Sound diffusion (sometimes referred to simply as 'diffusion') is a performance practice in the field of acousmatic music. According to composer and theorist
Sound_diffusion
Image noise reducing technique
In image processing and computer vision, anisotropic diffusion, also called Perona–Malik diffusion, is a technique aiming at reducing image noise without
Anisotropic_diffusion
Physical phenomenon
The diffusion of plasma across a magnetic field was conjectured to follow the Bohm diffusion scaling as indicated from the early plasma experiments of
Bohm_diffusion
Lower price line from a high-end brand
A diffusion line (also known as a bridge line) is a secondary line of merchandise created by a high-end fashion house or fashion designer that retails
Diffusion_line
1962 sociology book by Everett Rogers
Diffusion of Innovations is a 1962 book by Everett Rogers. Rogers synthesized research from over 508 diffusion studies across the fields that initially
Diffusion_of_Innovations
Properties of the operation of a secure cipher
In cryptography, confusion and diffusion are two properties of a secure cipher identified by Claude Shannon in his 1945 classified report A Mathematical
Confusion_and_diffusion
Biological process
Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed
Facilitated_diffusion
Thermal motion of liquid or gas particles at temperatures above absolute zero
Molecular diffusion is the motion of atoms, molecules, or other particles of a gas or liquid at temperatures above absolute zero. The rate of this movement
Molecular_diffusion
Concept from evolutionary biology
differential diffusion of chemical species and chemical reaction. The instability mechanism is surprising because a pure diffusion, such as molecular diffusion, would
Turing_pattern
Old method of enriching uranium
Gaseous diffusion is a technology that was used to produce enriched uranium by forcing gaseous uranium hexafluoride (UF6) through microporous membranes
Gaseous_diffusion
Archaeological theory
In cultural anthropology and cultural geography, cultural diffusion is the spread of cultural items—such as ideas, styles, art, religions, technologies
Cultural_diffusion
Solid-state welding technique
Diffusion bonding or diffusion welding is a solid-state welding technique used in metalworking, capable of joining similar and dissimilar metals. It operates
Diffusion_bonding
Process of particles clustering together
Diffusion-limited aggregation (DLA) is the process whereby particles undergoing a random walk due to Brownian motion cluster together to form aggregates
Diffusion-limited_aggregation
Diffusion process with a non-linear relationship to time
Anomalous diffusion is a diffusion process with a non-linear relationship between the mean squared displacement (MSD), ⟨ r 2 ( τ ) ⟩ {\displaystyle \langle
Anomalous_diffusion
Type of semiconductor current
Diffusion current is a current in a semiconductor caused by the diffusion of charge carriers (electrons and/or electron holes). This is the current which
Diffusion_current
Type of energy exchange
Spin diffusion describes a situation wherein the individual nuclear spins undergo continuous exchange of energy. This permits polarization differences
Spin_diffusion
Random motion of particles suspended in a fluid
the probability distribution of a Brownian particle and the macroscopic diffusion equation. These predictive equations describing Brownian motion were subsequently
Brownian_motion
Solution to a stochastic differential equation
and statistics, diffusion processes are a class of continuous-time Markov process with almost surely continuous sample paths. Diffusion processes are stochastic
Diffusion_process
Manhattan Project codename for a program to produce enriched uranium
program to produce enriched uranium for atomic bombs using the gaseous diffusion method. Originally the codename for the product, over time it came to
K-25
Type of microbiology test
The disk diffusion test (also known as the agar diffusion test, Kirby–Bauer test, disc-diffusion antibiotic susceptibility test, disc-diffusion antibiotic
Disk_diffusion_test
Enzyme rate limited by diffusion
A diffusion-limited enzyme catalyses a reaction so efficiently that the rate limiting step is that of substrate diffusion into the active site, or product
Diffusion-limited_enzyme
Mathematical marketing model
The Bass model or Bass diffusion model was developed by Frank Bass. It consists of a simple differential equation that describes the process of how new
Bass_diffusion_model
Mixing of fluids due to eddy currents
In fluid dynamics, eddy diffusion, eddy dispersion, or turbulent diffusion is a process by which fluid substances mix together due to eddy motion. These
Eddy_diffusion
Former uranium enrichment plant in Pike County, Ohio, USA
Portsmouth Gaseous Diffusion Plant is a facility located in Scioto Township, Pike County, Ohio, just south of Piketon, Ohio, that previously produced
Portsmouth Gaseous Diffusion Plant
Portsmouth_Gaseous_Diffusion_Plant
Partial differential equation describing the evolution of temperature in a region
^{2}u} In physics and engineering contexts, especially in the context of diffusion through a medium, it is more common to fix a Cartesian coordinate system
Heat_equation
Diffusion Monte Carlo (DMC) or diffusion quantum Monte Carlo is a quantum Monte Carlo method that uses a Green's function to calculate low-lying energies
Diffusion_Monte_Carlo
Uranium processed to increase the percentage of uranium-235
which used gaseous diffusion and electromagnetic isotope separation to produce enriched uranium. Historically, gaseous diffusion and the gas centrifuge
Enriched_uranium
Diffusion Capacitance is the capacitance that happens due to transport of charge carriers between two terminals of a device, for example, the diffusion
Diffusion_capacitance
High vacuum pump
Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. They were
Diffusion_pump
Open source generative artificial intelligence UI
AUTOMATIC1111 Stable Diffusion Web UI (SD WebUI, A1111, or Automatic1111) is an open source generative artificial intelligence program that allows users
Automatic1111
Open source generative artificial intelligence UI
generate images from a series of text prompts. It uses free diffusion models such as Stable Diffusion as the base model for its image capabilities combined
ComfyUI
Atomic diffusion within a crystalline lattice
In condensed matter physics, lattice diffusion (also called bulk or volume diffusion) refers to atomic diffusion within a crystalline lattice, which occurs
Lattice_diffusion_coefficient
Type of halftoning
Error diffusion is a type of halftoning in which the quantization residual is distributed to neighboring pixels that have not yet been processed. Its
Error_diffusion
Phenomenon of instability of integrable Hamiltonian systems
In applied mathematics, Arnold diffusion is the phenomenon of instability of nearly-integrable Hamiltonian systems. The phenomenon is named after Vladimir
Arnold_diffusion
Flame caused by separate oxidizer and fuel
combustion, a diffusion flame is a flame in which the oxidizer and fuel are separated before burning. Contrary to its name, a diffusion flame involves
Diffusion_flame
Turbulent diffusion is the transport of mass, heat, or momentum within a system due to random and chaotic time dependent motions. It occurs when turbulent
Turbulent_diffusion
Escape of gases from the atmosphere
Diffusion-limited escape occurs when the rate of atmospheric escape to space is limited by the upward diffusion of escaping gases through the upper atmosphere
Diffusion-limited_escape
Technique for the generative modeling of a discrete probability distribution
discrete diffusion models are a class of diffusion models, which themselves are a class of latent variable generative models. Each discrete diffusion model
Discrete_diffusion_model
Artifact in computational fluid dynamics
Numerical diffusion is a difficulty with computer simulations of continua (such as fluids) wherein the simulated medium exhibits a higher diffusivity
Numerical_diffusion
Theory of sound changes in linguistics
Lexical diffusion is the hypothesis that a sound change is an abrupt change that spreads gradually across the words in a language to which it is applicable
Lexical_diffusion
Proportionality constant in some physical laws
diffusivity or diffusion coefficient is usually written as the proportionality constant between the molar flux due to molecular diffusion and the negative
Mass_diffusivity
Diffusion creep refers to the deformation of crystalline solids by the diffusion of vacancies through their crystal lattice. Diffusion creep results in
Diffusion_creep
Solution to a specific type of stochastic differential equation
In mathematics – specifically, in stochastic analysis – an Itô diffusion is a solution to a specific type of stochastic differential equation. That equation
Itô_diffusion
Model for describing diffusion
The Maxwell–Stefan diffusion (or Stefan–Maxwell diffusion) is a model for describing diffusion in multicomponent systems. The equations that describe
Maxwell–Stefan_diffusion
Physical Process
Surface diffusion is a general process involving the motion of adatoms, molecules, and atomic clusters (adparticles) at solid material surfaces. The process
Surface_diffusion
Geological technique
Diffusion chronometry is a geological technique that examines the chemical gradients within mineral crystals to estimate the duration of events in a magmatic
Diffusion_chronometry
Particle behavior in systems of length less than the mean free path
Knudsen diffusion, named after Martin Knudsen, is a means of diffusion that occurs when the scale length of a system is comparable to or smaller than the
Knudsen_diffusion
American drug development company
Diffusion Pharmaceuticals Inc (NASDAQ:DFFN) is a publicly traded biotechnology and drug development company based in Charlottesville, Virginia, U.S. It
Diffusion_Pharmaceuticals
Decommissioned uranium enrichment facility
The Paducah Gaseous Diffusion Plant (PGDP) is a facility located in McCracken County, Kentucky, near Paducah, Kentucky that produced enriched uranium
Paducah Gaseous Diffusion Plant
Paducah_Gaseous_Diffusion_Plant
Reaction rate equals rate of transport
Diffusion-controlled (or diffusion-limited) reactions are reactions in which the reaction rate is equal to the rate of transport of the reactants through
Diffusion-controlled_reaction
Biological membrane that separates the interior of a cell from its outside environment
and diffusion: Some substances (small molecules, ions) such as carbon dioxide (CO2) and oxygen (O2), can move across the plasma membrane by diffusion, which
Cell_membrane
Physical process in cosmology
In modern cosmological theory, diffusion damping, also called photon diffusion damping, is a physical process which reduced density inequalities (anisotropies)
Diffusion_damping
Hop diffusion is a non-Brownian diffusion of proteins and lipid molecules within the plasma membrane. Hop diffusion occurs due to the discontinuity of
Hop_diffusion
Type of motion of magnetic fields
magnetic diffusion equation and is due primarily to induction and diffusion of magnetic fields through the material. The magnetic diffusion equation is
Magnetic_diffusion
Particle detector for visualizing ionizing radiation
as Arthur Compton received half the prize for the Compton Effect). The diffusion cloud chamber was developed in 1936 by Alexander Langsdorf. This chamber
Cloud_chamber
Transport that does not require energy
transport are simple diffusion, facilitated diffusion, filtration, and/or osmosis. Passive transport follows Fick's first law. Diffusion is the net movement
Passive_transport
Algerian Gnawa music band based in France
Gnawa Diffusion is an Algerian Gnawa music band based in Grenoble, France. The group's lead singer, Amazigh (literally meaning 'Free Man' in Tamazight)
Gnawa_Diffusion
Stochastic diffusion search (SDS) was first described in 1989 as a population-based, pattern-matching algorithm. It belongs to a family of swarm intelligence
Stochastic_diffusion_search
Mechanics concept
Rotational diffusion is the rotational movement which acts upon any object such as particles, molecules, atoms when present in a fluid, by random changes
Rotational_diffusion
Sociological model
in his widely acclaimed 1962 book Diffusion of Innovations (now in its fifth edition). Bass diffusion model Diffusion (business) Hype cycle Lazy user model
Technology adoption life cycle
Technology_adoption_life_cycle
Mass diffusivity of a chemical species without a chemical potential gradient
Self-diffusion describes the diffusive motions of molecules within themselves e.g. the movement of a water molecule in water. According to the IUPAC definition
Self-diffusion
Diffusion coefficient through the pore space of a porous media
The effective diffusion coefficient of a diffusant (atoms of a material which are diffusing in another material) in atomic diffusion of solid polycrystalline
Effective diffusion coefficient
Effective_diffusion_coefficient
Empirical thermodynamic model of gas-transport phenomenon
Graham's law of effusion (also called Graham's law of diffusion) was formulated by Scottish physical chemist Thomas Graham in 1848. Graham found experimentally
Graham's_law
Demographic concept
In demography, demic diffusion, as opposed to trans-cultural diffusion, is a model of human migration developed by Luigi Luca Cavalli-Sforza. It originally
Demic_diffusion
Material that scatters light in optics
diffusers can be characterized online using scatterometry-based metrology. Diffusion filters may be used to diffuse the light falling on the subject, or placed
Diffuser_(optics)
Net transport of atoms through a solid
In chemical physics, atomic diffusion is a diffusion process whereby the random, thermally-activated movement of atoms in a solid results in the net transport
Atomic_diffusion
In mathematics, a reversible diffusion is a specific example of a reversible stochastic process. Reversible diffusions have an elegant characterization
Reversible_diffusion
Spreading of sound energy
Diffusion, in architectural acoustics, is the spreading of sound energy evenly in a given environment. A perfectly diffusive sound space is one in which
Diffusion_(acoustics)
Photon diffusion is an approximate description of how light spreads through a material in which scattering is much more common than absorption. In such
Photon_diffusion
Machine learning model
human-drawn art. Text-to-image models are generally latent diffusion models, which perform the diffusion process in a compressed latent space rather than directly
Text-to-image_model
Radiometric dating method
variety of He diffusion methods that utilize the mobility of radiogenic He atoms to determine the thermal history of a rock. Helium diffusion experiments
Helium_dating
Pollution measuring device
A diffusion tube is a scientific device that passively samples the concentration of one or more gases in the air, commonly used to monitor average air
Diffusion_tube
Model for determining radiant energy reflected off diffuse surfaces
after Johann Heinrich Lambert, who introduced the concept of perfect diffusion in his 1760 book Photometria. Unfinished wood exhibits roughly Lambertian
Lambertian_reflectance
Diffusion coefficient of a diffusant along a grain boundary
The grain boundary diffusion coefficient is the diffusion coefficient of a diffusant along a grain boundary in a polycrystalline solid. It is a physical
Grain boundary diffusion coefficient
Grain_boundary_diffusion_coefficient
Electrodes with a conjunction of a solid, liquid and gaseous interface
Gas diffusion electrodes (GDE) are electrodes with a conjunction of a solid, liquid and gaseous interface, and an electrical conducting catalyst supporting
Gas_diffusion_electrode
Diffusion wavelets are a fast multiscale framework for the analysis of functions on discrete (or discretized continuous) structures like graphs, manifolds
Diffusion_wavelets
Process used in manufacturing
Diffusion hardening is a process used in manufacturing that increases the hardness of steels. In diffusion hardening, diffusion occurs between a steel
Diffusion_hardening
Diffusion curves are vector graphic primitives for creating smooth-shaded images. Each diffusion curve partitions the 2D graphics space through which it
Diffusion_curve
Reverse diffusion refers to a situation where the transport of particles (atoms or molecules) in a medium occurs towards regions of higher concentration
Reverse_diffusion
Large group of transport proteins
Cation diffusion facilitators (CDFs) are transmembrane proteins that provide tolerance of cells to divalent metal ions, such as cadmium, zinc, and cobalt
Cation_diffusion_facilitator
Gradient in the rates of molecular diffusion
A diffusion gradient is a gradient in the rates of diffusion of multiple groups of molecules through a medium or substrate. The groups of molecules may
Diffusion_gradient
Subset of the metamaterial family
Diffusion metamaterials are a subset of the metamaterial family, which primarily comprises thermal metamaterials, particle diffusion metamaterials, and
Diffusion_metamaterial
DIFFUSION
DIFFUSION
DIFFUSION
Girl/Female
Tamil
Rasagnya | ரஸகà¯à®¨à¯à®¯à®¾Â
Prefect
Boy/Male
Arabic
Horseman; Knight
Girl/Female
Hindu
Boy/Male
Shakespearean American Greek Spanish Portuguese
The Merchant of Venice' The Prince of Arragon, suitor to Portia. 'Much Ado About Nothing' Don...
Boy/Male
Hindu, Indian, Marathi
The Son of Fire
Boy/Male
Muslim
Dignified
Biblical
appointed by God
Boy/Male
English American French
Wide Island: south of the water; 'from St. Denis'.
Boy/Male
Australian, Latin
Beyond Praise
Girl/Female
English
Caprice.
DIFFUSION
DIFFUSION
DIFFUSION
DIFFUSION
DIFFUSION
a.
Prepared by diffusion through an animal membrane; as, dialyzed iron.
n.
The spreading abroad, or extension, of anything; diffusion; dissemination; as, the propagation of sound; the propagation of the gospel.
n.
The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate.
n.
The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
n.
The emission and diffusion of rays of light.
n.
The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion.
n.
One opposed to the diffusion of knowledge; an obscuriantist.
n.
The separation of different substances in solution, as crystalloids and colloids, by means of their unequal diffusion, especially through natural or artificial membranes.
n.
The extent to which anything circulates or is circulated; the measure of diffusion; as, the circulation of a newspaper.
n.
The act of passing from place to place or person to person; free diffusion; transmission.
n.
An association of underwriters and others in London, for the collection and diffusion of marine intelligence, the insurance, classification, registration, and certifying of vessels, and the transaction of business of various kinds connected with shipping.
n.
The act of disseminating, or the state of being disseminated; diffusion for propagation and permanence; a scattering or spreading abroad, as of ideas, beliefs, etc.