diffusion

(Learning Modules / Geography / Geography of health) The spread of a phenomenon, for example a disease or an idea.
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diffusion

1. the spontaneous movement and scattering of particles of liquids, gases, or solids. 2. the migration of dissolved substances from an area of high concentration to an area of low concentration.
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diffusion

(Life processes and cells) The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration
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Diffusion

The movement of matter or individualss out from a central location. Diffusion models are sometimes used for animal migration.
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Diffusion

mass transport by atomic motion.
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Diffusion

The movement of suspended or dissolved particles (or molecules) from a more concentrated to a less concentrated area. The process tends to distribute the particles or molecules more uniformly.
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Diffusion

The net movement of units of a substance from areas of higher concentration to areas of lower concentration of that substance
Found on http://life.bio.sunysb.edu/marinebio/glossary.def.html

diffusion

[n] - (physics) the process of diffusing 2. [n] - the spread of social institutions (and myths and skills) from one society to another
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Diffusion

When particles mix with each other without anything moving them.
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Diffusion

The net movement of gases or dissolved substances, as a result of their kinetic energy, from regions of their higher concentration to regions of their lower concentration, down a concentration gradient, until equilibrium is reached.
Found on http://www.felpress.co.uk/Exercise_Physiology_Glossary.24.0.html

Diffusion

AcousticsThe scattering or random reflection of a sound wave from a surface. The directions of reflected sound is changed so that listeners may have sensation of sound coming from oil directions at equal levels.ChemistryThe mixing of two substances caused by random molecular motions. Gases diffuse very quickly; liquids diffuse much more slowly, and...
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diffusion

In archaeology and anthropology, the spread of ideas, objects, or cultural traits from one culture or society to another, rather than their independent invention. For example, a diffusionist school...
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diffusion

diffuse. Compare with effusion. The mixing of two substances caused by random molecular motions. Gases diffuse very quickly; liquids diffuse much more slowly, and solids diffuse at very slow (but often measurable) rates. Molecular collisions make diffusion slower in liquids and solids.
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/d.shtml

diffusion

mass transport by atomic motion.
Found on http://www.chemicalglossary.net/definition/541-Diffusion

diffusion

The gradual mixing of the molecules of 2 or more substances by random molecular motion.
Found on http://www.chemicalglossary.net/definition/559-Diffusion

diffusion

is a process by which the atmosphere being monitored is transported to the gas-sensing element by natural random molecular movement. This movement is accelerated by thermal energy.
Found on http://www.chemicalglossary.net/definition/590-Diffusion

Diffusion

Function of a carburettor. The diffusion tube is perforated to assist in atomising the fuel before it is introduced into the choke tube.
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diffusion

The random movement of molecules within a fluid
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Diffusion

Dif·fu'sion noun [ Latin diffusio : confer French diffusion .] 1. The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion. « A diffusion of knowledge which has undermined superstition.» Burke.
Found on http://www.encyclo.co.uk/webster/D/64

diffusion

The process of becoming diffused or widely spread, the spontaneous movement of molecules or other particles in solution, owing to their random thermal motion, to reach a uniform concentration throughout the solvent, a process requiring no addition of energy to the system. ... (18 Nov 1997) ...
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diffusion

noun the spread of social institutions (and myths and skills) from one society to another
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diffusion

(dĭ-fu´zhәn) the state or process of being widely spread. the spontaneous mixing of the molecules or ions of two or more substances resulting from random thermal motion; its rate is proportional to the concentrations of the substances and it increases with the temperature. d...
Found on http://www.encyclo.co.uk/local/21001

Diffusion

• (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 diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; ...
Found on http://thinkexist.com/dictionary/meaning/diffusion/

diffusion

process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low ... [29 related articles]
Found on http://www.britannica.com/eb/a-z/d/48

diffusion

the process of becoming diffused, or widely spread; the spontaneous movement of molecules or other particles in solution, owing to their random thermal motion, to reach a uniform concentration throughout the solvent, a process requiring no addition of energy to the system.
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio25.html
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