- PN
- Pain (Medical » Physiology)**** Part Number (Governmental » Military)** Pitcairn Island (Regional » Countries)* Pacific Northwest (Academic & Science » Geology)* Planetary Nebulae (Academic & Science » Astronomy)* Pseudo Noise (Academic & Science » Electronics)* Policía Nacional (International » Guatemalan)* Peripheral Neuropathy (Medical » Physiology)* Project Number (Governmental » Military)* Practical Nurse (Business » Positions)* Proton Neutron (Academic & Science » Physics)* Project Name (Governmental » Military)* Project Name (Governmental » US Government)* Proper Name (Academic & Science » Universities)* Portable Network (Computing » Networking)* Price New (Business » General)* Post- Nasal (Medical » Physiology)* Progressive Networks (Business » Firms)* Perusahaan Negara (International » Indonesian)* Pen Name (Community » Media)* Profile Name (Internet)* Publication Name (Community » Media)* Pyle National (Governmental » Suppliers)* Primitive Notion (Academic & Science » Mathematics)* Pressure Nominal (Academic & Science » Chemistry)* Print Net (Computing » Networking)
Abbreviations dictionary. 2012.