İngilizce-Türkçe-Almanca sözlük

1. i., biyokim. üre. üre. üre. üre. üre. i., biyokim. üre. İdrarda bulunan bir madde, üre CO (H2.
2. üre.
3.  üre, üre, biyokim, i.

Etymology : New Latin, from French urée, from urine
Pronunciation : yu-'rE-&
Function : noun
Date : 1806

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1. main soluble and crystalline solid found in urine that can also be produced synthetically (used in the manufacturing of fertilizers, animal feed and resins). urea\u"re*a\ , a. [nl. see: urine.] (physiol. chem.) 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.note: it is the main product of the regressive metamorphosis (katabolism) of proteid matter in the body, and is excreted daily to the amount of about 500 grains by a man of average weight. chemically it is carbamide, co(nh2)2 , and when heated with strong acids or alkalies is decomposed into carbonic acid and ammonia. it unites with acids to form salts, as nitrate of urea, and it can be made synthetically from ammonium cyanate, with which it is isomeric.urea ferment, a soluble ferment formed by certain bacteria, which, however, yield the ferment from the body of their cells only after they have been killed by alcohol. it causes urea to take up water and decompose into carbonic acid and ammonia. many different bacteria possess this property, especially bacterium ure? and micrococcus ure?, which are found abundantly in urines undergoing alkaline fermentation.urea the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics [syn: carbamide].
2. A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals.
3. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc. the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics.
4. or carbamide One of the simplest organic compounds and the first synthesized from inorganic raw materials (see: inorganic compound), by Friedrich Wöhler (1800-82) in 1828. It is the diamide of carbonic acid (H2NCONH2; see: amide; carbon dioxide). The chief nitrogenous end product of protein breakdown in mammals and some fishes, it occurs not only in urine but also in blood, bile, milk, and perspiration. It is one of the industrial chemicals produced in vast amounts. With its high nitrogen content and low price, it is a major agricultural fertilizer and animal-feed ingredient. It is also used to make urea-formaldehyde plastics (including foamed plastics; see: polyurethanes), to synthesize barbiturates, as a stabilizer in explosives, and in adhesives, hydrocarbon processing, and flameproofing.