: 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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As much as two-thirds of worldwide seaborne trade in urea -- a nitrogen-rich fertilizer used for a variety of crops from corn to greens -- passes through the strait.
—
Kelly McCarthy, ABC News, 18 Apr. 2026
Key components of fertilizer like natural gas, ammonia and urea, all of which are produced in the Middle East, have been disrupted since the conflict erupted.
—Vanessa Yurkevich, CNN Money, 17 Apr. 2026
Even landscapers and backyard gardeners are paying $6 or more for bags of urea fertilizer needed to help keep plants and grass green.
—Pat Maio, Oc Register, 17 Apr. 2026
The key fertilizer urea is up 25% to 30%, with nitrogen and potassium fertilizer costs similarly elevated, just as farmers are receiving their lowest cost per bushel in 17 crop years.
—Nick Lichtenberg, Fortune, 10 Apr. 2026
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Kelly McCarthy, ABC News, 18 Apr. 2026
Key components of fertilizer like natural gas, ammonia and urea, all of which are produced in the Middle East, have been disrupted since the conflict erupted.
—Vanessa Yurkevich, CNN Money, 17 Apr. 2026
Even landscapers and backyard gardeners are paying $6 or more for bags of urea fertilizer needed to help keep plants and grass green.
—Pat Maio, Oc Register, 17 Apr. 2026
The key fertilizer urea is up 25% to 30%, with nitrogen and potassium fertilizer costs similarly elevated, just as farmers are receiving their lowest cost per bushel in 17 crop years.
—Nick Lichtenberg, Fortune, 10 Apr. 2026
See All Example Sentences for urea
Cite this Entry
“Urea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/urea. Accessed 21 Apr. 2026.
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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