English edit

Etymology edit

from Ancient Greek διάχυσησ (diákhusēs). By surface analysis, dia- +‎ -chysis.

Pronunciation edit

Noun edit

diachysis (countable and uncountable, plural diachyses)

  1. (physical chemistry) A method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.
  2. (medicine) Use of this method for removal of waste products from the blood in the case of liver failure: hemodiachysis or peritoneal diachysis.