a synthetic whitish crystalline powder, C4H4FN3O, with antifungal activity, used in the treatment of systemic and eye fungal infections caused by susceptible strains of Candida or Cryptococcus.
Main Entry: flu·cy·to·sine Pronunciation: "flü-'sIt-&-"sEn Function: noun : a white crystalline drugC4H4FN3O that can be synthesized from fluorouracil and is used to treat fungal infections especially by members of the genera Candida and Cryptococcus(especially Cryptococcus neoformans)
[floo-sahy-tuh-seen] 
təˌsin