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urease
urediniospore
uredinium
uredo
uredosorus
uredospore
ureide
uremia
ureotelic
ureter
urethane
urethra
urethritis
urethroscope
uretic
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uridine
u·ri·dine [ yrə dn ]


noun 
Definition:
 
substance that helps metabolize carbohydrates: a nucleoside, consisting of uracil and ribose, that plays a role in the metabolism of carbohydrates
[Early 20th century. <uracil + -idine]
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