释义 |
WordReference Random House Unabridged Dictionary of American English © 2024u•re•a (yŏŏ rē′ə, yŏŏr′ē ə),USA pronunciation n. - Biochemistrya compound, CO(NH2)2, occurring in urine and other body fluids as a product of protein metabolism.
- Chemistrya water-soluble powder form of this compound, obtained by the reaction of liquid ammonia and liquid carbon dioxide: used as a fertilizer, animal feed, in the synthesis of plastics, resins, and barbiturates, and in medicine as a diuretic and in the diagnosis of kidney function. Also called carbamide.
- Greek oûron urine or oureîn to urinate; see uro-1
- French urée; ultimately
- Neo-Latin
- 1800–10
u•re′al, u•re′ic, adj. |