urine

American  

[yoor-in] / ˈyʊər ɪn /

noun

1. the liquid-to-semisolid waste matter excreted by the kidneys, in humans being a yellowish, slightly acid, watery fluid.

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urine British  

/ ˈjʊərɪn /

noun

1. the pale yellow slightly acid fluid excreted by the kidneys, containing waste products removed from the blood. It is stored in the urinary bladder and discharged through the urethra

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urine Scientific  

/ yr′ĭn /

1. A liquid containing multiple waste products of metabolism, especially urea and other nitrogenous compounds, that are filtered from the blood by the kidneys. Urine is stored in the urinary bladder and is excreted from the body through the urethra.

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urine Cultural  

1. The fluid produced by the kidneys, consisting of water and dissolved substances, that is stored in the bladder and discharged through the urethra. (See excretory system.)

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Etymology

Origin of urine

1275–1325; Middle English < Old French < Latin ūrīna

Example Sentences

Urine is stored in a tank and is vented out each day; solids are stored in canisters designed to control odor and gas buildup.

From The Wall Street Journal • Apr. 2, 2026

In the script, Ross and Barnes establish the space like this: “The stench is fierce. Urine, feces and fear are soaked into the concrete.”

From Los Angeles Times • Feb. 11, 2025

Urine that falls on the ground or other leaves often can't be used because it may be contaminated, Lucore said.

From Science Daily • Nov. 29, 2024

Urine and blood tests from the day of the crash suggested she hadn’t been taking the lithium as prescribed, and her brother said she had stopped taking it weeks before the crash, prosecutors wrote.

From Seattle Times • Apr. 30, 2024

Urine isn't a huge issue here, so maybe next year, I'll take your advice.

From "Simon vs. the Homo Sapiens Agenda" by Becky Albertalli

Related Words

• droppings
• dung
• feces
• manure