Noun mercaptopurine has 1 sense

• mercaptopurine(n = noun.artifact) purinethol - a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia; Array
is a kind of antimetabolite, immune suppressant drug, immunosuppressant, immunosuppressive, immunosuppressive drug, immunosuppressor