electrodialysis

American  

[ih-lek-troh-dahy-al-uh-sis] / ɪˌlɛk troʊ daɪˈæl ə sɪs /

noun

Physical Chemistry.

electrodialyses plural

1. dialysis in which electrodes of opposite charge are placed on either side of a membrane to accelerate diffusion.

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electrodialysis British  

/ ɪˌlɛktrəʊdaɪˈælɪsɪs /

noun

1. dialysis in which electrolytes are removed from a colloidal solution by a potential difference between two electrodes separated by one or more membranes

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electrodialysis Scientific  

/ ĭ-lĕk′trō-dī-ăl′ĭ-sĭs /

1. A process by which ionized materials dissolved in a liquid, such as the anions and cations of dissolved salts, are moved across a membrane by the application of an electric field, separating them from liquids or ions of opposite charge. Electrodialysis can be use for the desalinization of brackish water.

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Other Word Forms

• electrodialitic
  adjective
• electrodialitically
  adverb

Etymology

Origin of electrodialysis

First recorded in 1920–25; electro- + dialysis

Example Sentences

There are several ways to desalinate seawater including boiling, filtration, and electrodialysis.

From Textbooks • Sep. 6, 2018

Desalination by electrodialysis using a stack of patterned ion-selective hydrogels on a microfluidic device.

From Nature • Dec. 12, 2017

The disadvantage is that reverse electrodialysis produces direct current, whereas the world runs mostly on alternating current.

From Economist • Dec. 3, 2009

Though not economical for seawater conversion, electrodialysis, in which electrically charged cellulose-acetate membranes attract the impurities, is being used to convert less salty but brackish waters.

From Time Magazine Archive