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

Most people with hantavirus, including the Andes strain, become infected after breathing in particles from the urine or droppings from rodents that carry the virus. —Erika Edwards, NBC news, 1 June 2026

For healthy people, increasing potassium intake is safe—the body will excrete excess potassium in urine. —Zia Sherrell, Health, 1 June 2026

That metabolite is then excreted in urine, enters sewage systems, passes through wastewater treatment plants and, eventually, makes its way back into local rivers, lakes and coastal waters. —Scott Travers, Forbes.com, 30 May 2026

Infection occurs when people inhale particles from the urine, feces or saliva of infected mice and rats. —Cnn.com Wire Service, Mercury News, 29 May 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