Definition of "fluorouracil" [fluorouracil]

• An antineoplastic agent, C4H3FN2O2, used especially in the treatment of cancers of the skin, breast, and digestive system. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "One of the most commonly used creams contains a chemotherapy drug, called fluorouracil, which destroys the precancerous cells by blocking essential cellular functions within them."
• "(July 20, 2009) -- Two genes may contribute to chemotherapy resistance in drugs like 5-fluorouracil, which is used in liver cancer treatment, according to Virginia Commonwealth University Massey Cancer Center researchers."
• "Rep. Cummings said PRN Pharmaceuticals of Rockville, Md., offered to sell another cancer drug, fluorouracil, for $350 per vial."