n :  a crystalline pyrimidine nucleoside C₉H₁₂N₂O₆ that is composed of uracil attached to ribose, that is derived by hydrolysis from nucleic acids, and that in the form of phosphate derivatives plays an important role in carbohydrate metabolism .
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.