Lexic.us

Definition of Urea

1. Noun. The chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics.

Definition of Urea

1. a. A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.

2. a. A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.

Definition of Urea

1. Noun. (biochemistry) A water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of proteins and excreted in the urine. ¹

2. Noun. (chemistry) Any ''N''-substituted derivative of urea, with the general formula (R₁R₂N)CO(NR₃R₄). ¹

¹ Source: wiktionary.com

Definition of Urea

1. a chemical compound [n -S] : UREAL [adj]

Medical Definition of Urea

1. The final nitrogenous excretion product of many organisms. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Urea

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