DIALYSIS Definition & Meaning

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dialysis

[ dahy-al-uh-sis ]

Phonetic (Standard)IPA

noun

plural dialyses

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

/ ��ī-ă��′ĭ-��ĭ�� /

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.

dialysis

The separation of large molecules from small molecules by passage through a membrane.

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Notes

A common treatment for kidney disease is the use of a dialysis machine to filter toxic substances from the blood, a function that the kidneys normally perform.

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Derived Forms

ˌ�徱��ˈ��پ��, adverb
dialytic, adjective

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�y��vlog History and Origins

Origin of dialysis¹

First recorded in 1580–90; from Late Latin, from Greek �徱á�� “separation”; equivalent to dia- + -lysis

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�y��vlog History and Origins

Origin of dialysis¹

C16: from Late Latin: a separation, from Greek dialusis a dissolution, from dialuein to tear apart, dissolve, from luein to loosen

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Example Sentences

Her father has to get a dialysis twice a week after he lost a kidney two years ago.

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Aly said her motivation to donate her kidney was her friend who is undergoing dialysis and is still waiting for a donor.

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Using the figures from the 20-year-old paper, it's estimated that a four hour dialysis session seems to increase glucose use by 9g – only around 36 additional calories burned.

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But his health started to deteriorate over the summer and he was diagnosed with kidney failure, leading to twice weekly dialysis.

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She also said she went to see a patient in a dialysis unit and the windows were boarded up because they had come out.

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