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thermal diffusion

noun, Physical Chemistry
1.
the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for thermal diffusion
  • Binary gas diffusion coefficients at one atmosphere and thermal diffusion data are tabulated.
  • Turbulent mixing dominates thermal diffusion and a distributed flame is observed.

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