dialysis

noun
di·​al·​y·​sis | \ dī-ˈa-lə-səs How to pronounce dialysis (audio) \
plural dialyses\ -​ˌsēz How to pronounce dialyses (audio) \

Definition of dialysis

1 : the separation of substances in solution by means of their unequal diffusion through semipermeable membranes especially : such a separation of colloids from soluble substances
2 : the process of removing blood from an artery (as of a patient affected with kidney failure), purifying it by dialysis, adding vital substances, and returning it to a vein

called also hemodialysis

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Other Words from dialysis

dialytic \ ˌdī-​ə-​ˈli-​tik How to pronounce dialytic (audio) \ adjective

Examples of dialysis in a Sentence

Recent Examples on the Web

With weekly dialysis treatments came a multitude of side effects: weight loss, sciatica, fluid retention and vision damage. Amanda Mitchell, Marie Claire, "Sarah Hyland Talks to 'Self' About Her Second Kidney Transplant and Suicidal Thoughts," 10 Dec. 2018 Shares of the medical-care services company DaVita rose 9.9% Wednesday after the state of California voted against a proposal that would have limited how much clinics could ask customers to pay for dialysis treatment. WSJ, "New Winners and Losers Emerge in Stock Market After Midterms," 7 Nov. 2018 Lee is on dialysis for kidney disease and underwent open heart surgery a few months ago. Meg Jones, Milwaukee Journal Sentinel, "Veterans get early Memorial Day thank-you for their service," 24 May 2018 The facility had dirty sterile storage areas and was regularly running out of critical supplies needed for surgeries and other procedures, including patches to seal blood vessels and tubes for kidney dialysis. Dennis Wagner, USA TODAY, "Veterans Affairs failures go beyond ousted secretary David Shulkin," 29 Mar. 2018 Meanwhile, Arnold, 82-years-old and a kidney cancer survivor who goes to dialysis three times a week, was hospitalized recently. Louisa Chu, chicagotribune.com, "Diner Grill, famous for its slingers, to reopen two years after fire," 14 June 2018 Kidney-transplant recipients live longer than those on chronic dialysis and generally feel better. Kwame Anthony Appiah, New York Times, "I’m a 73-Year-Old Cancer Survivor. Can I Accept a Kidney?," 25 Apr. 2018 Maldonado was off dialysis and doing well after his transplant, but died in a car accident in July. Usha Lee Mcfarling, STAT, "A new way to ease the organ shortage: ‘Regifting’ kidneys used in previous transplants," 25 Apr. 2018 Photo: Clare Ansberry/The Wall Street Journal Mrs. Jaster has been on dialysis since 2015 and Janine Moris, a retired postmaster living on a farm 22 miles away, takes her to Grand Forks weekly for treatment. Clare Ansberry, WSJ, "For Elderly in Rural Areas, Volunteers Step In," 10 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dialysis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dialysis

1861, in the meaning defined at sense 1

History and Etymology for dialysis

New Latin, from Greek, separation, from dialyein to dissolve, from dia- + lyein to loosen — more at lose

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Dictionary Entries near dialysis

dialypetalous

dialysate

dialyse

dialysis

dialyze

dialyzer

diam

Statistics for dialysis

Last Updated

13 Feb 2019

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Time Traveler for dialysis

The first known use of dialysis was in 1861

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More Definitions for dialysis

dialysis

noun

English Language Learners Definition of dialysis

medical : the process of removing some of a person's blood, cleaning it, and then returning it to the person's body

dialysis

noun
di·​al·​y·​sis | \ dī-ˈal-ə-səs How to pronounce dialysis (audio) \
plural dialyses\ -​ˌsēz How to pronounce dialyses (audio) \

Medical Definition of dialysis

1 : the separation of substances in solution by means of their unequal diffusion through semipermeable membranes especially : such a separation of colloids from soluble substances
2 : either of two medical procedures to remove wastes or toxins from the blood and adjust fluid and electrolyte imbalances by utilizing rates at which substances diffuse through a semipermeable membrane:
a : the process of removing blood from an artery (as of a kidney patient), purifying it by dialysis, adding vital substances, and returning it to a vein

called also hemodialysis

b : a procedure performed in the peritoneal cavity in which the peritoneum acts as the semipermeable membrane

called also peritoneal dialysis

Other Words from dialysis

dialytic \ ˌdī-​ə-​ˈlit-​ik How to pronounce dialytic (audio) \ adjective

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More from Merriam-Webster on dialysis

Rhyming Dictionary: Words that rhyme with dialysis

Britannica English: Translation of dialysis for Arabic Speakers

Britannica.com: Encyclopedia article about dialysis

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