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

Tuberculosis disease of the lymph nodes may cause red or purple swelling under the skin, and TB disease of the kidney can lead to blood in the urine. —Hannah Poukish, Sacbee.com, 4 Dec. 2025

Ana Walshe also submitted to blood and urine tests as part of that health designation process. —Lauren Del Valle, CNN Money, 4 Dec. 2025

Underwriters did have access to medical records, including urine sampling. —Colleen Cronin, Boston Herald, 4 Dec. 2025

Although more research is needed, Vitamin C may help convert a compound in urine called nitrite into nitric oxide, which can kill harmful bacteria. —Jillian Kubala, Health, 3 Dec. 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