- pseudo timer
- pseudo-cycloid
- pseudo-metric
- pseudo-random
- pseudo-spiral
- pseudo-tractrix
- pseudoclock
- pseudocomplex
- pseudoconformal
- pseudoconvergent
- pseudocylinder
- pseudolanguage
- pseudomanifold
- pseudometric space
- pseudonorm
- pseudonormal
- pseudoprime
- pseudospherical helicoid
- pseudospherical space
- pseudotangent
- pseudotext delimiter
- pseudotractrix
- pseudovector
- psi function
- public exchange
- public file
- public folder
- public forum
- public identifier
- public information
- public key
- public network
- public standards
- public station
- public telephone
- public text
- publication
- publishing agent
- puissance
- pull box
- pull quote
- pull shovel
- pull-back
- pulley
- pulley block
- pulsating stress
- pulse analyzer
- pulse bus
- pulse coder
- pulse converter
- pulse demodulator
- pulse discriminator
- pulse duration
- pulse equalizer
- pulse frequency
- pulse height
- pulse interleaving
- pulse jitter
- pulse propagation
- pulse repeater
- pulse response
- pulse selector
- pulse shaping
- pulse spectrum
- pulse transformer
- pulsing circuit
- pump driver
- punch check
- punch head
- punch position
- punch row
- punctual
- punctuation capability
- pure
- pure area
- pure bending
- pure deformation
- pure strategy
- pure variety
- purely comparable
- purposeful
- pursuit
- pyramidal surface
- pyrotechnic pistol
- quadrant
- quadraphony
- quadrate
- quadratic complex
- quadratic interpolation
- quadrature
- quadrature formula
- quadric cone
- quadric quantic
- punch mark
- punch path
- punched card
- punched tape
- punching
- punching block
- punching rate