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Webster 1913 Edition
Diffusion
Dif-fu′sion
,Noun.
[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.
Syn. – Extension; spread; propagation; circulation; expansion; dispersion.
Webster 1828 Edition
Diffusion
DIFFUSION
,Noun.
1.
A spreading or flowing of a liquid substance or fluid, in a lateral as well as a lineal direction; as the diffusion of water; the diffusion of air or light.2.
A spreading or scattering; dispersion; as a diffusion of dust or of seeds.3.
A spreading; extension; propagation; as the diffusion of knowledge, or of good principles.4.
Copiousness; exuberance, as of style. [Little used.]Definition 2024
Diffusion
diffusion
diffusion
See also: Diffusion
English
Noun
diffusion (plural diffusions)
- the act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion
- (physics) the scattering of light by reflection from a rough surface, or by passage through a translucent medium
- (physics) the intermingling of the molecules of a fluid due to random thermal agitation
- the spread of cultural or linguistic practices, or social institutions, in one or more communities
- (physics, weather) Exchange of airborne media between regions in space in an apparently random motion of a small scale.
- the movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
Translations
(physics) the intermingling of the molecules
See also
French
Etymology
Borrowing from Latin diffusio, diffusionem.
Noun
diffusion f (plural diffusions)
- broadcasting, showing
- dissemination, diffusion (of culture, knowledge and etc...)
- circulation (of a news medium)
- (physics) diffusion