Definition of urine
: 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
urinousplay \ˈyər-ə-nəs, ˈyu̇r-\ adjective
Recent Examples of urine from the Web
For men and women with stress urinary incontinence, slings can be placed beneath the urethra (the tube where urine flows from the bladder).
FPSE can be used to test for chemical compounds in urine, blood, cosmetic products and water, among other substances.
In a crucial test of their sensor, the researchers used higher levels of fungal pheromones than those normally found in patient blood or urine samples.
The dog was heavily medicated, had a nasty temperament, and was drinking his own urine.
On a recent Friday in Boston, Randell Sanders gave a nurse two samples of his blood, plus a sample of urine and saliva.
According to Tan, residents of Kaneyama, a town of 6,000 in the Yamagata Prefecture will send frozen urine samples to Nippon Medical School, located outside of Tokyo.
The runner-up technology from Taiwan’s Dynamical Biomarkers Group similarly connects a smartphone to several wireless handheld test modules that can analyse vital signs, blood and urine, and skin appearance.
Yet another FIU project aims to reduce chemical waste by detecting trace amounts of contaminants in milk, blood, urine and sewage.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'urine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of urine
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 centurySee Words from the same year
URINE Defined for English Language Learners
Definition of urine for English Language Learners
medical : waste liquid that collects in the bladder before leaving the body
URINE Defined for Kids
Definition of urine for Students
: the yellowish liquid produced by the kidneys and given off from the body as waste
Medical Definition of urine
: 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
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