- pressure wave
- primary basis
- primary colour
- primary device
- primary failure
- primary function
- primary time
- primitive operator
- prediction process
- prefix number
- prefix statement
- preprocessed
- prerecorded message
- preselected channel
- preselected threshold
- Present value
- presentation manager
- preset resistor
- preventive actions
- primary allotment
- primary block
- primary emission
- primary multiplex
- primary station
- primary storage
- print routine
- printed wiring
- printer driver
- priority message
- private volume
- probabilistic model
- Probability distribution
- primary satellite
- primary service
- primary standard
- priming nose
- print ribbon
- printed marks
- printing
- printing density
- printing mask
- printing station
- priority channel
- priority massage
- priority signal
- privacy device
- private line
- probe
- procedure
- procedure declaration
- processing routine
- product modulator
- product register
- primary access
- primary channel
- primary factor
- primary radar
- primary radiator
- primer
- priming
- print cycle
- prior request
- privilege instruction
- procedural variation
- procedure block
- procedure epilogue
- process condition
- processing card
- processing technology
- product demodulator
- product detector
- professional workstation
- profile
- program compatible
- program control
- program mask
- program register
- program reset
- program supervisor
- program test
- program translation
- programmable ROM
- programme data
- programme decrease
- programme exchange
- programme meter
- programme modulation
- programme narrative
- programme packet
- programme structure
- project scientist
- projected picture
- projection lithography
- projection system
- propagated error
- propagation delay
- propagation forecast
- propagation loss
- propagation mechanism
- propagation medium