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diffusion |
Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
diffusion [dɪˈfjuːʒən] n 1. the act or process of diffusing or being diffused; dispersion 2. verbosity 3. (Physics / General Physics) Physics a. the random thermal motion of atoms, molecules, clusters of atoms, etc., in gases, liquids, and some solids b. the transfer of atoms or molecules by their random motion from one part of a medium to another 4. (Physics / General Physics) Physics the transmission or reflection of electromagnetic radiation, esp light, in which the radiation is scattered in many directions and not directly reflected or refracted; scattering 5. (Physics / General Physics) Also called diffusivity Physics the degree to which the directions of propagation of reverberant sound waves differ from point to point in an enclosure 6. (Social Science / Anthropology & Ethnology) Anthropol the transmission of social institutions, skills, and myths from one culture to another
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diffusion noun spreading, distribution, scattering, circulation, expansion, propagation, dissemination, dispersal, dispersion, dissipation the development and diffusion of ideas Translations diffusion n (of light, heat, rays, fluid etc) → Ausbreitung f; (Chem) → Diffusion f; (of perfume, odour) → Ausströmung f; (of knowledge, custom, news) → Verbreitung f diffusion [dɪˈfjuːʒ/ən] n (of ideas, information) → diffusione f; (of light, heat, substances) → spargimento diffusion [dɪˈfjuːʒ/ən] n (of ideas, information) → diffusione f; (of light, heat, substances) → spargimento How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| If we assume as the historians do that great men lead humanity to the attainment of certain ends- the greatness of Russia or of France, the balance of power in Europe, the diffusion of the ideas of the Revolution general progress or anything else- then it is impossible to explain the facts of history without introducing the conceptions of chance and genius. It was now long after nightfall, yet the interminable forest through which he journeyed was lit with a wan glimmer having no point of diffusion, for in its mysterious lumination nothing cast a shadow. , in Hornsey, Highgate, Brixton, and Camberwell--they cannot but entertain a lively sense of the inestimable benefits which must inevitably result from carrying the speculations of that learned man into a wider field, from extending his travels, and, consequently, enlarging his sphere of observation, to the advancement of knowledge, and the diffusion of learning. |
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