fluorouracil

== English == === Etymology === From fluoro- +‎ uracil. === Pronunciation === (Received Pronunciation) IPA(key): /ˌflʊə.ɹə(ʊ)ˈjʊə.ɹə.sɪl/, /ˌflɔː.ɹə(ʊ)ˈjʊə.ɹə.sɪl/, /ˌflɔː.ɹə(ʊ)ˈjɔː.ɹə.sɪl/ (General American) IPA(key): /ˌflʊɹ.oʊˈjʊɹ.əˌsɪl/ === Noun === fluorouracil (countable and uncountable, plural fluorouracils) (pharmacology) A fluorine-substituted derivative of uracil C4H3FN2O2 which inhibits DNA synthesis and is used as a chemotherapy drug in the treatment of cancer. === References === “fluorouracil”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “fluorouracil”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.