: 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.
Researchers led by Wang Youjie at Huazhong University of Science and Technology analyzed urine samples from 4,891 women who gave birth at Wuhan Maternal and Child Health Hospital between 2012 and 2014. — Bojan Stojkovski, Interesting Engineering, 21 Sep. 2026 Avoid repeatedly stopping your urine stream to practice, because interrupting urination isn’t recommended as an exercise. — Samantha Agate, Sacbee.com, 16 Sep. 2026 Experts also warn against practicing by repeatedly stopping the urine stream. — Samantha Agate, Fort Worth Star-Telegram, 16 Sep. 2026 The inspection took place weeks after the Miami Herald published an investigation into inhumane conditions at Krome — which became so overcrowded that women said they were left on a bus outside in their own urine. — Claire Healy, Miami Herald, 16 Sep. 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 27 Sep. 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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