Diffusion - Dictionary Definition and Overview

Diffusion :  (noun)
1: (physics) the process of diffusing; the intermingling of molecules in gases and liquids as a result of random thermal agitation
2: the spread of social institutions (and myths and skills) from one society to another
3: the property of being diffused or dispersed [syn: dissemination]
4: the act of dispersing or diffusing something; "the dispersion of the troops"; "the diffusion of knowledge" [syn: dispersion, dispersal, dissemination]

Based on WordNet 2.0

Diffusion : \Dif*fu"sion\, n. [L. diffusio: cf. F. 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.

2. (Physiol.) 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.

Syn: Extension; spread; propagation; circulation; expansion; dispersion.

Based on WordNet (r) 2.0 (August 2003)

Example Usage of Diffusion

Taniatown: Ecology cats learns by sleepy Diffusion! http://yfrog.com/356xquj
PrunelleCharvet: La Diffusion des TIC dans la société française en 2009 :... http://ff.im/-d1bol
MegaLuigi: Dilemme de demain : suivre Grey's Anatomy, final de saison en même temps que la Diffusion sur TF1, ou jouer à 1 contre 100 Live ?
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