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 leucaemia";
   - leukemia [N. Amer], leukaemia [Brit, Cdn], cancer of the blood

Derived forms: leucaemias

Type of: cancer, malignant neoplastic disease

Encyclopedia: Leucaemia