urine

noun

ˈyər-ən 

ˈyu̇r-

: 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

urinous

ˈyər-ə-nəs 

ˈyu̇r-

adjective

Examples of urine in a Sentence

Recent Examples on the Web

In addition to the DUI, Woods faces additional charges for refusing the urine test. —Emily Mae Czachor, CBS News, 3 Apr. 2026

Malone explained that high sodium intake can increase calcium loss in urine, while excessive alcohol is linked to lower bone density and a higher fracture risk. —Hadia Zainab, CNN Money, 2 Apr. 2026

Space toilets use air flow to pull urine and feces away and into receptacles, which are stored for disposal. —Bymary Kekatos, ABC News, 2 Apr. 2026

There was no plumbing backup, of course — there is no actual plumbing on the Orion spacecraft, as urine is vented out into space and fecal matter is collected for later disposal. —Richard Tribou, The Orlando Sentinel, 2 Apr. 2026

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

Rhymes for urine

• curran

Kids Definition

urine

noun

ˈyu̇r-ən 

: 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

urine

noun

ˈyu̇r-ən 

: 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