n.
Pronunciation: ˌ pan- ˌ s ī -t ə - ' p ē -n ē - ə
Function: noun
Etymology: New Latin, from pan- + cyt- + -penia
Date: circa 1941
: an abnormal reduction in the number of erythrocytes, white blood cells, and blood platelets in the blood also : a disorder (as aplastic anemia) characterized by such a reduction