urine

American  

[yoor-in] / ˈjʊər ɪn /

noun

urines plural

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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Other Word Forms

Noun Inflected Forms

• urines
  plural

Etymology

Origin of urine

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

Example Sentences

Give them a urine test, because that is cynicism on steroids.

From Slate • Jun. 29, 2026

Though he notes that there can be some delay between a person entering a dehydrated state, and this becoming detectable in their urine.

From BBC • Jun. 22, 2026

The device uses optical sensors to work out your "urine specific gravity" – a measure of urine's density compared to clean water.

From BBC • Jun. 22, 2026

In preclinical studies and a small clinical trial, researchers found that adding probenecid reduced both urine volume and nighttime urination while maintaining the effectiveness of treatment.

From Science Daily • Jun. 17, 2026

Their favorite places were painted with a thick coating of urine.

From "A Girl Named Disaster" by Nancy Farmer

Related Words

• droppings
• dung
• feces
• manure