- Also called migration. an intermingling of molecules, ions, etc., resulting from random thermal agitation, as in the dispersion of a vapor in air.
- a reflection or refraction of light or other electromagnetic radiation from an irregular surface or an erratic dispersion through a surface; scattering.
Origin of diffusion
Examples from the Web for diffusion
The diffusion of information sources, social media chief among them, simply makes that harder to do.Could Social Media Blow Special Operations Like the Failed Foley Rescue?|Jacob Siegel|August 23, 2014|DAILY BEAST
At this critical moment, this diffusion of attention is potentially crippling.Satellites Correctly Predict Military Campaign Against Civilians in Sudan|Akshaya Kumar|December 9, 2013|DAILY BEAST
Thom Browne, known for his tricolor stripes and short-suits, will soon launch a diffusion collection called Thom Grey.Mary-Kate Olsen Moves In; 20,000 Pairs of Fake Louboutins Seized|The Daily Beast|August 17, 2012|DAILY BEAST
This was nearly four years ago, before the diffusion of the woman's rights question, now so generally discussed.The Bradys After a Chinese Princess|Francis Worcester Doughty
Its diffusion was also more rapid and probably more extensive.
Their object was the encouragement of literature and the fine arts, and the diffusion of loyalty to the House of Hanover.Haunted London|Walter Thornbury
The same objections apply to gaseous poisons, except that to them the property of diffusion would be admitted.
His many monographs and dialogues meant much for the diffusion of right views as to classical education.The Century of Columbus|James J. Walsh
British Dictionary definitions for diffusion
- the random thermal motion of atoms, molecules, clusters of atoms, etc, in gases, liquids, and some solids
- the transfer of atoms or molecules by their random motion from one part of a medium to another