u·re·ide

[yoor-ee-ahyd, -id]
noun Chemistry.
an acyl urea.

Origin:
1855–60; ure(a) + -ide

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World English Dictionary
ureide (ˈjʊərɪˌaɪd) [Click for IPA pronunciation guide]
 
n
1.  any of a class of organic compounds derived from urea by replacing one or more of its hydrogen atoms by organic groups
2.  any of a class of derivatives of urea and carboxylic acids, in which one or more of the hydrogen atoms have been replaced by acyl groups: includes the cyclic ureides, such as alloxan

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Ureide is always a great word to know.
So is lollapalooza. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Example sentences
Soybean plants fix atmospheric nitrogen in root nodules and convert the nitrogen into ureide molecules.
Relative ureide content decreased with increasing nitrogen rate for the beginning bloom sampling date in all years.
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