Pacific Concord Resources Corp. - Vancouver Stock Exchange symbol
Packed Cell Volume - Hematology (CPH)
Parietal Cell Vagotomy - Medicine (AAMN)
Partido Comunista Venezolana - Venezuelan Communist Party - Political party (PPW)
Passenger Carrying Vehicle - Military (GFGA)
Passenger Coaching Vehicle - Indian Railway (TIR)
Passenger Control Vehicle (WDAA)
Path Coding Violation (SAUS)
P-bit Coding Violation (SAUS)
Peace Corps Volunteer
Peach Calico Virus (SAUS)
Peanut Clump Virus - Plant pathology
Penciclovir - Antiherpetic
Perceive - Telegraphy (PCTE)
Pestalozzi Childrens Village (SAUS)
Petty Cash Voucher (MCD)
Physical Control Volume (SAUS)
Placerville, CA - Amtrak Busline code
Pneumatic Control Valve
Politically Correct Virus
Pollution Control Valve (IEEE)
Polychlorinated Vinyl (MELL)
Polycythemia Vera - Also, PV - Hematology
Porcine Cirovirus
Positive Crankcase Ventilation - For automotive antipollution systems
Positive Crankcase Ventilator (SAUS)
Postcapillary Venule - Medicine (DMAA)
Precheck Verification - NASA (NASA)
Precursor Vehicle (SAUS)
Presidents Commission on Violence (SAUS)
Pressure - or Pressurizer Control Valve (AAG)
Pressure-Control Ventilation - Medicine (DMAA)
Primary Containment Vessel
Primary Control Vessel (DNAB)
Primate Calicivirus
Printed Circuit Vehicle (SAUS)
Procarbazine, CCNU - Lomustine, Vincristine - Antineoplastic drug regimen (DAVI)
Process Cell Ventilation (SAUS)
Proportional Cartridge Valve - Hydraulics
Proportioning Control Valve - Automotive brakes
Protocol Converter - Electronics (ECII)
Pump Control Valve - Hydraulics
Purge Control Valve (NASA)
Putnam Convertible Opportunities & Income Trust - NYSE symbol (SAG)
Putnam High Income Opp Tr - Stock exchange symbol - Formerly Putnam Cv Opp Tr
Pyrocatechol Violet - Also, PV - An indicator - Chemistry
Veterans Affairs, Canada - Affaires des Anciens Combattants Canada Charlottetown, Prince Edward Island - Library symbol - National Library of Canada (NLC)