diffusion
UK /dɪˈfjuː.ʒən/ · US /dɪˈfju.ʒən/ noun
Forms diffusions
- noun The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
- noun (physics) The scattering of light by reflection from a rough surface, or by passage through a translucent medium.
- noun (physics) The intermingling of the molecules of a fluid due to random thermal agitation. “gaseous diffusion”
- noun The spread of cultural or linguistic practices, or social institutions, in one or more communities.
- noun (marketing) The gradual spread and adoption of goods or services.
- noun (physics, weather) Exchange of airborne media between regions in space in an apparently random motion of a small scale.
- noun The movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
Synonyms
Etymology
Borrowed from Latin diffūsiō, from diffundō; can be decomposed as diffuse + -ion.
Webster’s 1913
- noun The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion.
- noun The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate.
Etymology [L. diffusio: cf. F. diffusion.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “diffusion”, CC BY-SA 4.0. Details