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proteinuria

American  
[proh-tee-noor-ee-uh, -nyoor-, -tee-uh-] / ˌproʊ tiˈnʊər i ə, -ˈnyʊər-, -ti ə- /

noun

Pathology.

  1. the presence of abnormally large amounts of protein in the urine, usually resulting from kidney disease but sometimes from fever, excessive exercise, or other abnormal condition.

proteinuria British  
/ ˌprəʊtɪˈnjʊərɪə /

noun

  1. med another name for albuminuria

"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

Etymology

Origin of proteinuria

From New Latin, dating back to 1910–15; protein, -uria

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.

IgAN causes the small filters in kidneys to become inflamed and excess protein in urine, known as proteinuria.

From The Wall Street Journal • Feb. 13, 2026

Vanrafia got accelerated approval in the U.S. and China for treating proteinuria in adults with IgAN in 2025.

From The Wall Street Journal • Feb. 13, 2026

But salt drives blood pressure and proteinuria, so when you're 65 it's not so great anymore.

From New York Times • Apr. 25, 2017

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.