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