(In full "5-fluorouracil") a fluorine-substituted derivative of uracil which inhibits DNA synthesis and is used as a chemotherapy drug in the treatment of cancer.
Origin
1950s.
Definition of fluorouracil in US English:
fluorouracil
noun
(In full "5-fluorouracil") a fluorine-substituted derivative of uracil which inhibits DNA synthesis and is used as a chemotherapy drug in the treatment of cancer.