a white water-soluble crystalline compound with a saline taste and often an odour of ammonia, produced by protein metabolism and excreted in urine. A synthetic form is used as a fertilizer, animal feed, and in the manufacture of synthetic resins. Formula: CO(NH2)2
Also called: carbamide
Derived forms
ureal (uˈreal) or ureic (uˈreic)
adjective
Word origin
C19: from New Latin, from French urée, from Greek ouronurine
carbamide in American English
(ˈkɑːrbəˌmaid, -mɪd, kɑːrˈbæmaid, -ɪd)
noun
urea
Word origin
[1860–65; carb- + amide]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: big brother, jumping jack, mutualism, raider, trade namecarb- is a combining form used in the names of chemical compounds in which carbon is present.Other words that use the affix carb- include: carbamidine, carbenicillin, carbinol, carboxypeptidase, thiocarbanilide
Examples of 'carbamide' in a sentence
carbamide
Tretitana mesial half of the 16% carbamide peroxide, a distal was left as control.
Matvijenko Vladimir, Živković M., Videnović G., Kostić-Šubarić Lj., Živković D., PerićD., Jovanović R. 2015, 'Investigation of 16% carbamide-peroxide on the structure and properties and effectreturn enamel staining teeth whitening after their', Praxis Medicahttp://scindeks-clanci.ceon.rs/data/pdf/0350-8773/2015/0350-87731504025M.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The differences between 10% carbamide peroxide and the control group were not significant (𝑝>0.05).
Hüseyin Tezel, Cigdem Atalayin, Ozlem Erturk, Ercument Karasulu 2011, 'Susceptibility of Enamel Treated with Bleaching Agents to Mineral Loss after CariogenicChallenge', International Journal of Dentistryhttp://dx.doi.org/10.1155/2011/953835. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The chromium bath contains formic acid and carbamide as complexing agents.
V. S. Protsenko, V. O Gordiienko, F. I. Danilov, S. C. Kwon 2011, 'Preparation and Characterization of Nanocrystalline Hard Chromium Coatings Using Eco-FriendlyTrivalent Chromium Bath', E-Journal of Chemistryhttp://dx.doi.org/10.1155/2011/253203. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Bleaching was performed using 15% carbamide peroxide gel for 5 days (6 h daily).
Mana Shamsedin, Valiollah Arash, Masoud Babaei Jahromi, Ali Akbar Moghadamnia, ManouchehrRahmati Kamel, Fariba Ezoji, Ali bijani, Samira Kavoli, Tania Ghasemi, GholamhosseinRamezani 2017, 'Efficacy of quercetin flavonoid in recovering the postbleaching bond strength of orthodonticbrackets: A preliminary study', Journal of Orthodontic Sciencehttp://www.jorthodsci.org/article.asp?issn=2278-0203;year=2017;volume=6;issue=1;spage=16;epage=21;aulast=Shamsedin. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The 16% carbamide peroxide gel was the most effective for bleaching the stained substrate.
Carina Sinclér Delfino, Michelle Alexandra Chinelatti, Laíse Daniela Carrasco-Guerisoli,Andrigo Reis Batista, Izabel Cristina Fröner, Regina Guenka Palma-Dibb 2009, 'Effectiveness of home bleaching agents in discolored teeth and influence on enamelmicrohardness', Journal of Applied Oral Sciencehttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572009000400004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The least reduction was seen with 21% carbamide peroxide groups.
Rakesh Mittal, Ashima Garg Sood, Meenu G Singla, Devika Dhawan 2015, 'A comparative evaluation of efficacy of commercially available bleaching agents innon-vital teeth: An in vitro study', Saudi Endodontic Journalhttp://www.saudiendodj.com//article.asp?issn=1658-5984;year=2015;volume=5;issue=1;spage=33;epage=37;aulast=Mittal. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Resistance to corrosion caused by sulphate, nitrate, carbamide, lactic acid and acetic acid was presented.
Janković Ksenija, Bojović Dragan, Stojanović Marko, Lončar Ljiljana 2014, 'Resistance of CEM III/B based materials to acid attack', Građevinski Materijali i Konstrukcijehttp://scindeks-clanci.ceon.rs/data/pdf/0543-0798/2014/0543-07981402029J.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)