different between urea vs polyurea

English

Etymology

New Latin, from French urée, from Ancient Greek ????? (oûron, “urine”).

Pronunciation

• IPA^(key): /j???i??/, /?j?????/
• Rhymes: -i??

Noun

urea (countable and uncountable, plural ureas)

1. (organic chemistry, uncountable) A water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of proteins and excreted in the urine.
2. (chemistry, countable) Any N-substituted derivative of urea, with the general formula (R₁R₂N)CO(NR₃R₄).

Synonyms

• carbamide

Derived terms

• polyurea
• thiourea
• selenourea
• urea-formaldehyde resin

Translations

See also

• biuret

Further reading

• David Barthelmy (1997–2021) , “Urea”, in Webmineral Mineralogy Database
• “urea”, in Mindat.org?^[1], Hudson Institute of Mineralogy, 2000–2021.

Anagrams

• eaur

Finnish

Noun

urea

1. urea

Declension

Synonyms

• virtsa-aine

Anagrams

• Eura, auer

Italian

Noun

urea f (plural uree)

1. urea

Derived terms

• poliurea

Anagrams

• aure

Norwegian Bokmål

Etymology

From French urée, from Ancient Greek ????? (oûron, “urine”).

Noun

urea (indeclinable)

1. (uncountable) urea, carbamide

Synonyms

• karbamid
• urinstoff

References

• “urea” in The Bokmål Dictionary.

Norwegian Nynorsk

Etymology

From French urée, from Ancient Greek ????? (oûron, “urine”).

Noun

urea (indeclinable)

1. (uncountable) urea, carbamide

Synonyms

• karbamid
• urinstoff

References

• “urea” in The Nynorsk Dictionary.

Spanish

Pronunciation

• IPA^(key): /u??ea/, [u??e.a]

Noun

urea f (plural ureas)

1. urea (organic compound)

Further reading

• “urea” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.

English

Etymology

poly- +? urea

Noun

polyurea (plural polyureas)

1. (chemistry) Any of a class of polymeric elastomers whose repeat unit is a substituted urea