urea.
A water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of proteins and excreted in the urine.
Meaning & usage
A water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of proteins and excreted in the urine.
Any N-substituted derivative of urea, with the general formula (R₁R₂N)CO(NR₃R₄).
Where this word comes from
Etymology tree Proto-Indo-European *h₁wers-der. Ancient Greek οὐρέω (ouréō) Ancient Greek οὖρον (oûron)der. French uréeder. New Latinder. English urea From New Latin, from French urée, from Ancient Greek οὖρον (oûron, “urine”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.