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Definition of dialysis

dialysis

/daɪˈæl.ə.sɪs/
di · al · y · sis
Plural:dialyses
•
Adjective:dialytic
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dialysis Lexical Profile

dialysis Game Scores & Validity

• noun

1

The clinical purification of blood using a machine or a semipermeable membrane as a substitute for the normal function of the kidneys.

Example

"Patients with severe kidney failure must undergo regular dialysis to remove waste products from their bloodstream."

2

The chemical separation of suspended colloidal particles from dissolved ions or small molecules through a semipermeable membrane due to their unequal rates of diffusion.

Example

"The biochemist used dialysis to remove excess salt from the purified protein solution."

Synonyms
View all synonyms for dialysis

• Rhymes for dialysis

• Nearby Words

dialect
dialer
dialogue
dialysis
diamantina
diameter
diametric

Word Origin & Etymology

Borrowed from Late Latin dialysis, from Ancient Greek διάλυσις (diálusis, "dissolution, separation"), derived from δια- (dia-, "apart") and λύσις (lúsis, "loosening"). The chemical and medical senses were introduced by Scottish chemist Thomas Graham in 1861.

Cite this Entry

Wordmom. (2026). Definition of Dialysis. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/dialysis
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