单词 | diffusion |
释义 | dif·fu·sion (dĭ-fyzhən) n. 1. The process of diffusing or the condition of being diffused: the diffusion of new technology around the world. 2. Physics a. The scattering of incident light by reflection from a rough surface. b. The transmission of light through a translucent material. c. The spontaneous intermingling of the particles of two or more substances as a result of random thermal motion. 3. The spread of linguistic or cultural practices or innovations within a community or from one community to another. dif·fusion·al adj. diffusionIn the process of diffusion of a single solute, a concentration of molecules on one side of a membrane (top) will move through a membrane (center) until there is equilibrium on both sides (bottom). |
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