: waste material that is secreted by the kidney in vertebrates, is rich in end products of protein metabolism together with salts and pigments, and forms a clear amber and usually slightly acid fluid in mammals but is semisolid in birds and reptiles

Examples of urine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The study of a patient’s urine was an extremely popular practice in the Middle Ages, even though doctors could tell precious little about what was ailing someone just by looking at a sample in a jar. T.m. Brown, CNN Money, 16 Aug. 2026 Former Chiefs safety/cornerback Nazeeh Johnson in February shared a video of a man coming to his home to collect a urine sample for an NFL drug test. Pete Grathoff, Kansas City Star, 15 Aug. 2026 While there are some small changes in bladder function that come with aging, frequent urination, pain when urinating, and leaking urine are not typical. Amber J. Tresca, Verywell Health, 14 Aug. 2026 After surgery, doctors realized something was still wrong when Guerrero wasn't producing any urine. Yi-Jin Yu, ABC News, 13 Aug. 2026 See All Example Sentences for urine

Word History

Etymology

Middle English, from Anglo-French, from Latin urina, from urinari to dive; akin to Sanskrit vār water and perhaps to Sanskrit varṣati it rains, Greek ourein to urinate

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of urine was in the 14th century

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Cite this Entry

“Urine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/urine. Accessed 21 Aug. 2026.

Kids Definition

: waste material that is secreted by the kidneys, is rich in the end products of protein breakdown, and is usually a yellowish liquid in mammals but semisolid in birds and reptiles

Medical Definition

: waste material that is secreted by the kidney, is rich in end products (as urea, uric acid, and creatinine) of protein metabolism together with salts and pigments, and forms a clear amber and usually slightly acid fluid

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