noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A fluorine-substituted derivative of uracil C₄H₃FN₂O₂ which inhibits DNA synthesis and is used as a chemotherapy drug in the treatment of cancer. countable, uncountable
2. 2
   an antimetabolite used to treat certain cancers wordnet

Etymology

From fluoro- + uracil.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.