throm·bo·cy·to·pe·ni·a 
(thrŏm′bə-sī′tə-pēnē-ə)
(thrŏm′bə-sī′tə-pēnē-ə)n.
An abnormally low level of platelets in the circulating blood.
throm′bo·cy′to·penic adj.
- precedential
- preceding
- precentor
- precentorial
- precept
- preceptive
- preceptively
- preceptor
- preceptorial
- preceptorially
- preceptorship
- preceptory
- preceramic
- precess
- precession
- precessional
- precession of the equinoxes
- pre-Christian
- precinct
- preciosity
- precious
- preciously
- precious metal
- preciousness
- precious stone