- proportional control
- proportional division
- proportional space
- proposed parameter
- propositional calculus
- propositional inference
- propositional variable
- proprietary
- proprietary software
- propulsive coefficient
- protect notch
- protect workbook
- protected field
- protected file
- protected location
- protected mode
- protected storage
- protected text
- protecting data
- protection circuit
- protection code
- protective
- protective plug
- protocol bound
- protocol conversion
- protocol error
- protocol layer
- protocol stack
- protocol suite
- prototype statement
- prototyping
- provable formula
- prove
- provident bank
- provisional weight
- provisioning
- proxy server
- pruning
- pseudo
- pseudo color
- pseudo-binary
- pseudo-normal
- pseudo-operation
- pseudo-order
- pseudo-sentence
- pseudo-text
- pseudoanalytic
- pseudocode
- pseudocolor
- pseudocomplex manifold
- pseudocursor
- pseudocycloidal
- pseudodata
- pseudoinstruction
- pseudomachine
- pseudometrisable
- pseudonoise sequence
- pseudooperation
- pseudoperiodic
- pseudorandom number
- pseudorandom sequence
- pseudoriemanian space
- pseudosphere
- pseudospherical surface
- pseudotensor
- pseudotext
- pseudovaluation
- psychometrics
- public
- public archive
- public authority
- public data
- public directory
- public domain
- protect tab
- protected area
- protected format
- protected master
- protection devise
- protective tariff
- protocol
- protocol analyzer
- protocol converter
- protocol emulator
- protocol handler
- protocol hierarchy
- protocol port
- protocol set
- protocol supported
- prototype
- prototype system
- provable value
- provide
- provider
- proximal tolerance
- proximate
- proximity
- proximity space
- pse-function
- pseudo node