An antineoplastic drug that inhibits the utilization of a metabolite

Wiktionary Word definitions in Wiktionary
n. (context medicine English) Any substance that competes with, or inhibits the normal metabolic process, often by acting as an analogue of an essential metabolite

WordNet Word definitions in WordNet
n. an antineoplastic drug that inhibits the utilization of a metabolite

Wikipedia Word definitions in Wikipedia
An antimetabolite is a chemical that inhibits the use of a metabolite , which is another chemical that is part of normal metabolism . Such substances are often similar in structure to the metabolite that they interfere with, such as the antifolates that ...