What are examples of landforms? A: The four main types of landforms are mountains, plateaus, plains and hills. A landform is defined as any natural feature on the Earth's surface, which incl... Full Answer >
Definition of leukopenia. : a condition in which the number of white blood cells circulating in the blood is abnormally low.
Definition of LEUKOPENIA. : a condition in which the number of white blood cells circulating in the blood is abnormally low.â leuÂ·koÂ·peÂ·nic \-nik\ adjective. ADVERTISEMENT.efinition of LEUKOPENIA. : a condition in which the number of white blood cells circulating in the blood is abnormally low. â leuÂ·koÂ·peÂ·nic \-nik\ adjective. ADVERTISEMENT.