diffusion
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See also: Diffusion
English
Etymology
Borrowed from Latin diffūsiō, from diffundō; can be decomposed as diffuse + -ion.
Pronunciation
- (Received Pronunciation) IPA(key): /dɪˈfjuː.ʒən/
- (General American) IPA(key): /dɪˈfju.ʒən/
Audio (Southern England): (file) - Rhymes: -uːʒən
- Hyphenation: dif‧fu‧sion
Noun
diffusion (countable and uncountable, 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.
- gaseous diffusion
- The spread of cultural or linguistic practices, or social institutions, in one or more communities.
- 1907, Ronald M. Burrows, The Discoveries In Crete, page 99:
- Even the false-necked vase, though it reaches its widest diffusion at this epoch, is, as we have seen, a type found existing in much earlier strata.
- (marketing) The gradual spread and adoption of goods or services.
- (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.
Derived terms
- autodiffusion
- biodiffusion
- cultural diffusion
- diffusional
- diffusion-barrier
- diffusion hypoxia
- diffusionism
- diffusionist
- diffusionless
- elastodiffusion
- electrodiffusion
- error diffusion
- hydrodiffusion
- hyperdiffusion
- immunodiffusion
- interdiffusion
- microdiffusion
- photodiffusion
- prediffusion
- pseudodiffusion
- rediffusion
- rotodiffusion
- self-diffusion
- subdiffusion
- superdiffusion
- thermodiffusion
- vibrodiffusion
Related terms
Translations
in physics, scattering of light
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in physics, intermingling of molecules
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
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See also
French
Etymology
Borrowed from Latin diffusiōnem. By surface analysis, diffuser + -ion.
Pronunciation
Noun
diffusion f (plural diffusions)
- broadcasting, showing
- dissemination, diffusion (of culture, knowledge, etc.)
- circulation (of a news medium)
- (physics) diffusion
Derived terms
Related terms
Descendants
See also
Further reading
- “diffusion”, in Trésor de la langue française informatisé , 2012.