thermodiffusion ther·mo·dif·fu·sion (thûr'mō-dĭ-fy&oomacr;'zhən)
n.
The diffusion of fluids, either gaseous or liquid, as influenced by their temperature.
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| the offspring of a zebra and a donkey. |