diachysis

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US/ˌdaɪ.əˈkaɪ.sɪs/

noun

A method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.

OriginAncient Greek διάχυσις →
Scrabble 18
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Meanings

noundiachysis (countable and uncountable, plural diachyses)

plural diachyses

  1. countablephysicaluncountablechemistryA method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.
  2. countableuncountablemedicineUse of this method for removal of waste products from the blood in the case of liver failure: hemodiachysis or peritoneal diachysis.

Origin

  1. Ancient Greekδιάχυσις“diffusion”
  2. Englishdiachysis

From Ancient Greek διάχυσις (diákhusis, “diffusion”), from διαχέω (diakhéō).

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

diachysis. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diachysis

MLA

“diachysis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diachysis. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “diachysis,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diachysis.

Source: diachysis on Wiktionary, CC BY-SA 4.0.