What does PD stand for?

What does PD mean?

PD	Police Department Governmental » FBI Files
PD	Police Department Community » Law
PD	Palladium Academic & Science » Chemistry
PD	Public Domain Computing » General
PD	Publication Date Community » Media
PD	Professional Development Business » Positions
PD	Property Damage Community » Law
PD	Planned Development Community
PD	Program Director Business » Positions
PD	Pulmonary Disease Medical » Physiology
PD	Project Director Academic & Science » Meteorology
PD	Per Diem Business » Accounting
PD	Per Diem Governmental » Military
PD	Per Diem Governmental » NASA
PD	Peritoneal Dialysis Medical » Physiology
PD	Personality Disorder Medical » Physiology
PD	Potential Difference Academic & Science » Electronics
PD	Progressive Disease Medical » Oncology
PD	Position Description Academic & Science » Ocean Science
PD	Power Density Academic & Science » Electronics
PD	Per Diem Governmental » US Government
PD	Public Document Community » Law
PD	Private Detective Business » Positions
PD	Process Data Governmental » Military
PD	Point of Departure Governmental » Military