1. Malignant neoplasm of blood-forming tissues with abnormal leukocyte proliferation, one of four major cancer types
   "The child's frequent infections led to a diagnosis of leukaemia";
   - leukemia [N. Amer], leucaemia [Brit], cancer of the blood

Derived forms: leukaemias

Type of: cancer, malignant neoplastic disease

Encyclopedia: Leukaemia