# urea

/jɝˈiə/ (US) · /jɔːɹˈiə/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/urea
Updated: 2026-05-20

## Definition

a chemical substance found in your urine that helps your body get rid of extra nitrogen. It is also used in fertilizers to help plants grow.

For teachers: an organic compound containing nitrogen, produced in the liver and excreted in the urine. It serves as a primary nitrogenous waste product in mammals and is a key component of synthetic fertilizers.

## Examples

- Urea is a waste product that your body removes through urine.
- Farmers apply urea to the soil to provide essential nitrogen that plants need to grow healthy crops.
- The high concentration of urea in the blood can indicate kidney failure, as the kidneys are responsible for filtering this compound from the bloodstream.

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