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Meaning of DIFFUSION

Pronunciation:  di'fyoozhun

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

DIFFUSION is a 9 letter word that starts with D.


 Synonyms: dispersal, dispersion, dissemination, dissemination
 See Also: action, activity, crop-dusting, dispersion, distribution, impregnation, natural action, natural process, osmosis, permeation, pervasion, saturation, spraying, spread, spread, spreading, spreading, suffusion, transport



Webster's 1913 Dictionary
\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;

         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;

Biology Dictionary
 Definition: The natural tendency of molecules to move out of areas of high concentration into areas of low concentration until a solution or gas has a uniform concentration of the molecules.
 Definition: when elements of one culture spread to another without wholesale dislocation or migration.