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

Doctors cut a hole in his left side and affixed a bag that collected urine. —Jason Quick, New York Times, 15 May 2025

This urine can simply be scattered around the ground, diluted into a fertilizer or disposed of in a toilet back home, depending on the situation. —New Atlas, 15 May 2025

But since urine is the kidney's best biomarker, its function is much harder to track. —Alexis Kayser, MSNBC Newsweek, 13 May 2025

For example, an older study from 2007 noted that urine levels of cortisol metabolites (breakdown products) increased in response to certain dietary intake, but blood levels did not increase. —Heidi Moawad, Verywell Health, 7 May 2025

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