English edit

 
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Etymology edit

Named after Paul Ehrenfest and Tatiana Ehrenfest-Afanaseva.

Noun edit

Ehrenfest model (plural Ehrenfest models)

  1. (thermodynamics) A model of diffusion used to explain the second law of thermodynamics, considering a number of particles in two containers, which independently change container at a certain rate.
    Synonym: dog-flea model