1. a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia; [syn: mercaptopurine, Purinethol]
WordNet (r) 3.0 (2006):
mercaptopurine
n 1: a drug (trade name Purinethol) that interferes with the
metabolism of purine and is used to treat acute lymphocytic
leukemia [syn: mercaptopurine, Purinethol]