u·ri·dine 
(yrĭ-dēn′)
(yrĭ-dēn′)n.
A nucleoside, C9H12N2O6, that is composed of uracil and ribose, is a component of RNA, and plays a role in regulating many physiological processes.
- break (someone's) heart
- break someone's heart
- break the bank
- break the buck
- break the ice
- break through
- breakthrough
- breakthrough pain
- break up
- breakup
- breakwater
- break wind
- bream
- bream
- breast
- breast-beating
- breastbone
- breasted
- breastfeed
- breast-feed
- breastplate
- breaststroke
- breaststroker
- breastwork
- breath