PDA: Meaning (information, definition, explanation, facts)

PDA may stand for:

• Personal Digital Assistant, a type of handheld computer.
• Public display of affection, an area of study within social psychology.
• Patent ductus arteriosus, a medical term referring to a congenital defect where the ductus arteriosus fails to close after birth.
• Pushdown automaton, a type of abstract device in automata theory.
• Public display of affection
• the chemicals polydiacetylenes