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dialysis
[ dahy-al-uh-sis ]
noun
- Physical Chemistry. the separation of crystalloids from colloids in a solution by diffusion through a membrane.
- Biochemistry. the separation of large molecules, as proteins, from small molecules and ions in a solution by allowing the latter to pass through a semipermeable membrane.
- Medicine/Medical. (in kidney disease) the process by which uric acid and urea are removed from circulating blood by means of a dialyzer.
dialysis
/ daɪˈælɪsɪs; ˌdaɪəˈlɪtɪk /
noun
- the separation of small molecules from large molecules and colloids in a solution by the selective diffusion of the small molecules through a semipermeable membrane
- med See haemodialysis peritoneal dialysis
dialysis
/ dī-ăl′ĭ-sĭs /
- The separation of the smaller molecules in a solution from the larger molecules by passing the solution through a membrane that does not allow the large molecules to pass through.
- A medical procedure in which this technique of molecular separation is used to remove metabolic waste products or toxic substances from the blood. Dialysis is required for individuals with severe kidney failure.
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Notes
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Derived Forms
- ˌdiaˈlytically, adverb
- dialytic, adjective
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Word History and Origins
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Word History and Origins
Origin of dialysis1
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Example Sentences
The result can be total kidney failure and the need for dialysis; for some people, the kidney failure is permanent.
Kidney disease, formerly a major cause of death, has basically dropped out of the chart thanks to the invention of dialysis.
For example, we are now having to deal with patients who would normally receive dialysis can no longer be accepted.
The first and still the best example is dialysis, which costs more than $40,000 a year.
He waged war on the modern with a Siemens dialysis machine in-tow, bankrolled by Aramco petrodollars.
This process of separation of substances, which do not pass through membranes, from such as do, is called dialysis.
Hence we can easily separate by dialysis two bodies of different groups which are mixed in a solution.
Probably the only hope of relieving the tension is by the use of eserine or the performance of a cyclo-dialysis.
Any tartar emetic present in the sediment might have been procured in a pure form by the simple process of dialysis.
The dissolved proteins in each extract can be subsequently purified by dialysis, precipitation, etc.
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