Noun
an antineoplastic drug that inhibits the utilization of a metabolite
Source: WordNetPatients with low- to average-risk ALL receive therapy with antimetabolite drugs such as methotrexate and 6-mercaptopurine (6-MP). Source: Internet
When elemental fluorine is reacted with uracil, 5-fluorouracil is produced. 5-Fluorouracil is an anticancer drug ( antimetabolite ) used to masquerade as uracil during the nucleic acid replication process. Source: Internet