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1. (n.) diffusion
the act of diffusing or the state of being diffused.
2. diffusion
prolixity of speech or writing.
3. diffusion
an intermingling of particles resulting from random thermal agitation, as in the dispersion of a vapor in air.
4. diffusion
a reflection or refraction of light or other radiation from an irregular surface or an erratic dispersion through a surface.
5. diffusion
a soft-focus effect in a photograph or film, achieved by placing a gelatin or silk plate in front of a light or lens or by the use of filters.
6. diffusion
the transmission of elements or features of one culture to another by nonviolent contact.
Etymology: (1325–75; ME < LL diffūsiō; see diffuse , -tion)
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| Definition of 'diffusion' |
Princeton's WordNet |
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1. (noun) diffusion
(physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
2. (noun) diffusion
the spread of social institutions (and myths and skills) from one society to another
3. (noun) dissemination, diffusion
the property of being diffused or dispersed
4. (noun) dispersion, dispersal, dissemination, diffusion
the act of dispersing or diffusing something
"the dispersion of the troops"; "the diffusion of knowledge"
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| Definition of 'diffusion' |
Webster Dictionary |
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1. (noun) diffusion
the act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion
2. (noun) diffusion
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
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| Definition of 'diffusion' |
U.S. National Library of Medicine |
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1. diffusion
The tendency of a gas or solute to pass from a point of higher pressure or concentration to a point of lower pressure or concentration and to distribute itself throughout the available space. Diffusion, especially FACILITATED DIFFUSION, is a major mechanism of BIOLOGICAL TRANSPORT.
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| Definition of 'diffusion' |
The Standard Electrical Dictionary |
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1. diffusion
A term properly applied to the varying current density found in conductors of unequal cross sectional area. In electro-therapeutics it is applied to the distribution of current as it passes through the human body. Its density per cross-sectional area varies with the area and with the other factors.
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Definitions of diffusion 
