[yoo r-i-deen, -din]
- a ribonucleoside composed of ribose and uracil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- biochem a nucleoside present in all living cells in a combined form, esp in RNA
C20: from uro- 1 + -ide + -ine ²
- A white odorless powder that is the nucleoside of uracil and is important in carbohydrate metabolism.