Point Coordination Function Patrol Craft, Fast photonic crystal fiber Protein Crystallization Facility Pacific Car and Foundry personnel control facility Portable Compiled Font Packet Control Function Pair Correlation Function Payload Control Facility Physical Control Field Portable Compiled Format Position Classification Form pounds per cubic foot Print Coordination Function Prototype Carbon Fund Pacific Air Express Parabolic Cylinder Function Parallel Computing Forum Partial Correlation Function patrol craft Patrol Craft Fast peak cough flow Peripheral Control Facility Personal Call Forwarding pharyngoconjunctival fever pharyngocutaneous fistula Picture Clock Frequency Planning Coordination Facility plasma centrifugal furnace