/ Dictionary / Index P proteinuria: Meaning and Definition of Find definitions for: pro•tein•u•ri•a Pronunciation: (prō"tē-noor'ē-u, -nyoor'-, -tē-u-), [key] — n. Pathol. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proteinuria (Thesaurus) protein synthesis pro tem Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language