dialysis

noun

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di·al·y·sis | \ dī-ˈa-lə-səs

plural dialyses\ dī-ˈa-lə-ˌsēz

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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Examples of dialysis in a Sentence

Recent Examples on the Web McDougall continued with dialysis for about five hours, three days a week. — Brittany Mcgee, ajc, 7 May 2022 Hank Goldberg stopped after two hours of dialysis Friday, rather than his customary three hours. — Dave Hyde, sun-sentinel.com, 19 Feb. 2022 Gil Kaminski joins after a long stint directing operations for DaVita dialysis centers. — Katie Palmer, STAT, 15 Dec. 2021 The state regulator, the Department of Community Health, failed to respond to questions about why so many dialysis centers failed to meet federal standards. — Jennifer Peebles, ajc, 7 Dec. 2021 The mandate applies to all facilities that take payments from Medicare or Medicaid, including hospitals, nursing homes, dialysis centers, ambulatory surgical centers and home health agencies. — Ken Alltucker, USA TODAY, 5 Nov. 2021 Respondents encourage them to give up on hospitals and health systems and apply for positions at nursing homes or dialysis centers. — Ryan Craig, Forbes, 29 Oct. 2021 Meanwhile, the Centers for Medicare & Medicaid Services will extend a vaccination requirement issued earlier this summer — for nursing home staff — to other healthcare settings including hospitals, home-health agencies and dialysis centers. — Zeke Miller, Chron, 10 Sep. 2021 Meanwhile, the Centers for Medicare & Medicaid Services will extend a vaccination requirement issued earlier this summer — for nursing home staff — to other healthcare settings including hospitals, home health agencies and dialysis centers. — The Salt Lake Tribune, 9 Sep. 2021 See More

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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Last Updated

10 May 2022

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“Dialysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dialysis. Accessed 21 May. 2022.

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More Definitions for dialysis

dialysis

noun

di·al·y·sis | \ dī-ˈal-ə-səs

plural dialyses\ -ˌsēz

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