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renal

American

[reen-l] / ˈrin l /

adjective

of or relating to the kidneys or the surrounding regions.

renal British

/ ˈriːnəl /

adjective

of, relating to, resembling, or situated near the kidney

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

renal Scientific

/ rē′nəl /

Relating to or involving the kidneys.

renal Cultural

A descriptive term for the kidneys.

Other Word Forms

Etymology

Origin of renal

1650–60; < Late Latin rēnālis, equivalent to Latin rēn ( ēs ) kidneys (plural) + -ālis -al ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At the same time, M proteins can also cause the blood to thicken and concentrate in urine, both of which can cause renal problems.

From Slate • Mar. 29, 2026

She says the trust's renal specialists repeatedly ignored referrals from her transplant team to see her.

From BBC • Mar. 24, 2026

A study published last year in the journal Nature, for example, found that a personalized vaccine showed promise in forestalling recurrence of clear cell renal cell carcinoma, an aggressive form of kidney cancer.

From The Wall Street Journal • Mar. 17, 2026

The trial involved 12 people with several types of metastatic cancer, including melanoma, renal cell carcinoma, and different forms of breast cancer.

From Science Daily • Mar. 16, 2026

The National Hospital of Iceland, where Bobby died of renal failure, hadn’t saved any of his blood.

From "Endgame" by Frank Brady

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023