Ureanoun
A water-soluble organic compound, CO(NH2)2, formed by the metabolism of proteins and excreted in the urine.
Urinenoun
(physiology) Liquid excrement consisting of water, salts and urea, which is made in the kidneys, stored in the bladder, then released through the urethra.
Ureanoun
Any N-substituted derivative of urea, with the general formula (R1R2N)CO(NR3R4).
Urineverb
(archaic) To urinate.
Ureaadjective
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.
Urinenoun
In mammals, a fluid excretion from the kidneys; in birds and reptiles, a solid or semisolid excretion.
Ureanoun
the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
Urineverb
To urinate.
Urea
Urea, also known as carbamide, is an organic compound with chemical formula CO(NH2)2. This amide has two –NH2 groups joined by a carbonyl (C=O) functional group.
Urinenoun
liquid excretory product;
‘there was blood in his urine’; ‘the child had to make water’;
Urine
Urine is a liquid by-product of metabolism in humans and in many other animals. Urine flows from the kidneys through the ureters to the urinary bladder.