para - phas
- paraballoon
- parabola
- parabolic orbit
- parabolic profile
- parabolic reflector
- parabolic spillover
- parabolic-dish antenna
- parabolic-reflector microphone
- paraboloid
- paraboloid antenna
- paraboloid microphone
- paraboloid-flat reflector
- paraboloid-plane reflector
- paraboloidal-flat reflector
- paraboloidal-plane reflector
- paracylinder antenna
- parallel
- parallel access
- parallel access channel
- parallel accumulator
- parallel amplifier
- parallel approximation
- parallel buffer
- parallel bus
- parallel capacitance
- parallel circuit
- parallel code
- parallel coding
- parallel computer
- parallel connection
- parallel coupling
- parallel detector
- parallel feed
- parallel feedback
- parallel highway
- parallel interface
- parallel mode
- parallel optical channel
- parallel peaking
- parallel polarization
