(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
the spread of social institutions (and myths and skills) from one society to another
the property of being diffused or dispersed
dispersion, dispersal, dissemination, diffusion(noun)
the act of dispersing or diffusing something
"the dispersion of the troops"; "the diffusion of knowledge"
the act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion
the scattering of light by reflection from a rough surface, or by passage through a translucent medium
the intermingling of the molecules of a fluid due to random thermal agitation
the spread of cultural or linguistic practices, or social institutions, in one or more communities
Exchange of airborne media between regions in space in an apparently random motion of a small scale.
the movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
Origin: From diffusionem (accusative of diffusio), from verb diffundere.
the act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion
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
U.S. National Library of Medicine
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.
The Standard Electrical Dictionary
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.
The numerical value of diffusion in Chaldean Numerology is: 7
The numerical value of diffusion in Pythagorean Numerology is: 4
Sample Sentences & Example Usage
Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.
People may not notice an assault taking place, or may not perceive it as an emergency, or may experience a diffusion of responsibility, since there are so many other people present.
With a concept like zero emissions and 'let's knock fossil fuels out of the picture', without clear technology diffusion and international cooperation program, you are really not helping the process.
Everyone agrees now that legislation that prevents the diffusion of child pornography is protecting citizens from crime. It is the same for terrorism, calling for anti-Semitism, calling for crimes, calling for murder, calling for the killing of Jews or journalists — that's not about freedom of expression. That is a criminal act.
This is an age of intellectual sauces, of essence, of distillation. We have conclusions without deductions, abridgments of history and abridgments of science without leading facts. We have animals for literature, Cabinet Encyclopaedias, Family Libraries, Diffusion Societies, and heaven knows what else! What is all this for? Not to add knowledge to the learned, but to tell points to the ignorant, without giving them the trouble to acquire the links. Oh! it is sad work. And the result will be injurious to all classes.
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Translations for diffusion
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