n.
Pronunciation: -( ˌ )s ī - ' th ē -m ē - ə
Function: noun
Etymology: New Latin, from poly- + cyt- + -hemia
Date: circa 1857
: a condition marked by an abnormal increase in the number of circulating red blood cells specifically : POLYCYTHEMIA VERA
– poly · cy · the · mic \ -mik \ adjective