n. [ from aplasia{ 2 }. ] (Med.) an anemia characterized by substantial reduction or cessation of production of red blood cells and hemoglobin by the bone marrow. Stedman Syn. -- Ehrlich's anemia; anemia gravis. [ PJC ]
(n) anemia characterized by pancytopenia resulting from failure of the bone marrow; can be caused by neoplasm or by toxic exposure, Syn. aplastic anaemia