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

The mother’s bed was soaked with urine and feces and was crawling with roaches, according to the probable cause statement. —Kate Linderman, Kansas City Star, 15 Jan. 2025

What About Home Tests? At-home test kits for vitamin B12 are available and often involve collecting a urine sample. —Sarah Jividen, Verywell Health, 15 Jan. 2025

Listen to this article A former New Jersey school custodian is facing up to eight years in prison after admitting to tainting cafeteria food and utensils with urine, feces and bleach to make children sick. —David Matthews, New York Daily News, 14 Jan. 2025

Of 1,768 urine samples tested, nearly all (95 percent) had levels under 4.54 micrograms. —Daniel R. Depetris, Newsweek, 12 Jan. 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

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