Main Entry: throm·bo·cy·to·pe·nia

Pronunciation: \ˌthräm-bə-ˌsī-tə-ˈpē-nē-ə, -nyə\

Function: noun

Etymology: New Latin, from International Scientific Vocabulary thrombocyte + New Latin -o- + -penia

Date: 1923

: persistent decrease in the number of platelets in the blood that is often associated with hemorrhagic conditions

— throm·bo·cy·to·pe·nic \-nik\ adjective