1. a serious disease in which the body produces too many white blood cells, preventing normal blood function and often leading to severe illness or death
Usage: British spelling; American spelling is 'leukemia'; uncountable noun; medical term

Examples

• Her father was diagnosed with leukaemia at age 55.
• Childhood leukaemia is one of the most common cancers in children.
• The patient underwent chemotherapy to treat acute leukaemia.
• Researchers are developing new treatments for chronic leukaemia.
• Early detection of leukaemia can improve survival rates significantly.