diffusion
noun
1 diffusion
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.
Roget 186: presence; occupancy, occupation; attendance; whereness†. permeation, pervasion; diffusion etc. (dispersion) 73. ubiety†, ubiquity, ubiquitariness†; ... show more
Roget 322: rarity, tenuity; absence of solidity etc. 321; subtility†; subtilty†, subtlety; sponginess, compressibility. rarefaction, expansion, dilatation, inflation, ... show more
Dutch: diffusie
Polish: dyfuzja
2 diffusion
The spread of social institutions (and myths and skills) from one society to another.
3 diffusion
The property of being diffused or dispersed.
synonym: dissemination.
4 diffusion
The act of dispersing or diffusing something:
— The diffusion of knowledge.
synonyms: dispersal, dispersion, dissemination.
Roget 73: dispersion; disjunction etc. 44; divergence etc. 291; aspersion; scattering etc. v.; dissemination, diffusion, dissipation, ... show more
Dutch: spreiding
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