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

For nearly 10 years up until then, the test kits Andwin Scientific supplied the state did not contain the necessary amount of the chemical compound sodium fluoride to prevent urine samples from fermenting, according to the state’s letter. —Fedor Zarkhin, Los Angeles Times, 19 Mar. 2026

The entire unit was covered in animal feces and urine, police wrote. —Justin Muszynski, Hartford Courant, 18 Mar. 2026

Some of his patients receiving these therapies have improved to the point where urine tests show no protein, indicating that blood vessels in the kidneys have healed. —Tara Haelle, Scientific American, 17 Mar. 2026

The temperature inside the home was 28 degrees, and investigators said it was filled with feces, urine and garbage. —Madeline Bartos, CBS News, 16 Mar. 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