1. Plural of fluorouracil; synthetic compounds derived from uracil, used as chemotherapy drugs to treat various cancers by inhibiting DNA and RNA synthesis.
Usage: medical/pharmaceutical; often abbreviated as 5-FU in clinical contexts; primarily used in oncology

Examples

• Fluorouracils are among the most widely used chemotherapy agents in cancer treatment.
• The patient received a combination of fluorouracils and other drugs as part of her chemotherapy regimen.
• Researchers have studied fluorouracils for decades to improve their efficacy and reduce side effects.
• Different fluorouracils may be administered intravenously or orally depending on the treatment protocol.
• The oncologist explained that fluorouracils work by interfering with cancer cell division.