: a soluble weakly basic nitrogenous compound CO(NH2)2 that is the chief solid component of mammalian urine and an end product of protein decomposition, is synthesized from carbon dioxide and ammonia, and is used especially in synthesis (as of resins and plastics) and in fertilizers and animal rations
Examples of urea in a Sentence
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Research suggests that using topical urea in addition to these medications may make the treatment more successful.
—
Sherri Gordon, Health, 19 Mar. 2025
When triggered in a mixture of gases made to replicate the atmosphere on early Earth, these micro-lightnings produced chemical compounds used by present-day life, like glycine, uracil, and urea, along with chemical precursors like cyanoacetylene, and hydrogen cyanide.
—Ars Technica, 14 Mar. 2025
Rub the overnight foot cream formulated with ingredients like aloe, glycerin, urea, coconut oil, and lavender essential oil on your feet and pop it on the reusable pair of breathable foot sleeves.
—Nora Colomer, Fox News, 13 Mar. 2025
Its key trio of lactic acid, glycerin, and urea not only counteracts the look of crepey skin, but also neutralizes any irritation for some soothing relief.
—Jennifer Hussein, Allure, 8 Feb. 2025
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Sherri Gordon, Health, 19 Mar. 2025
When triggered in a mixture of gases made to replicate the atmosphere on early Earth, these micro-lightnings produced chemical compounds used by present-day life, like glycine, uracil, and urea, along with chemical precursors like cyanoacetylene, and hydrogen cyanide.
—Ars Technica, 14 Mar. 2025
Rub the overnight foot cream formulated with ingredients like aloe, glycerin, urea, coconut oil, and lavender essential oil on your feet and pop it on the reusable pair of breathable foot sleeves.
—Nora Colomer, Fox News, 13 Mar. 2025
Its key trio of lactic acid, glycerin, and urea not only counteracts the look of crepey skin, but also neutralizes any irritation for some soothing relief.
—Jennifer Hussein, Allure, 8 Feb. 2025
See All Example Sentences for urea
Cite this Entry
“Urea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/urea. Accessed 24 Mar. 2025.
Copy CitationKids Definition
urea
noun
: a soluble nitrogen-containing compound that is the chief solid substance in the urine of mammals and is an end product of protein breakdown
Medical Definition
urea
noun
: a soluble weakly basic nitrogenous compound CH4N2O that is the chief solid component of mammalian urine and an end product of protein decomposition and that is administered intravenously as a diuretic drug
called also carbamide
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