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dif•fu•sion



Pronunciation: (di-fyOO'zhun), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/diffusion.html on line 75 [key]
n.
1. act of diffusing; state of being diffused.
2. prolixity of speech or writing; discursiveness.
3. Physics.
a. Also called migration. an intermingling of molecules, ions, etc., resulting from random thermal agitation, as in the dispersion of a vapor in air.
b. a reflection or refraction of light or other electromagnetic radiation from an irregular surface or an erratic dispersion through a surface; scattering.
4. Motion Pictures.a soft-focus effect resulting from placing a gelatin or silk plate in front of a studio light or a camera lens, or through the use of diffusion filters.
5. Meteorol.the spreading of atmospheric constituents or properties by turbulent motion as well as molecular motion of the air.
6. Anthropol., Sociol.the transmission of elements or features of one culture to another.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/diffusion.html on line 130 diffusible Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/diffusion.html on line 138 diffusionism
See also:
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/diffusion.html on line 149 diffusion (Thesaurus)
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/diffusion.html on line 151 diffusion (Encyclopedia)

 

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