macrocyte

n.
An abnormally large red blood cell, especially one associated with pernicious anemia.

macrocytic mac'ro·cyt'ic (-sĭt'ĭk) adj.

Large immature precursors of red blood cells found in the circulation in pernicious anaemia and in folic acid deficiency, due to impairment of the normal maturation of red cells; hence macrocytic anaemia.

n

A red blood cell that is unusually large; usually seen in megaloblastic anemias (e.g., B₁₂ deficiency).

An abnormally large erythrocyte.