- platen
- platykurtic
- player
- playing sounds
- plot graph
- plotting board
- plotting mode
- plug wire
- plurigenus
- playback head
- pleading
- plinth wall
- plotting device
- plotting rate
- plug
- plugboard chart
- plumb bod
- plus
- plus factor
- plus zone
- ply
- pn sequence
- pneumatic analogue
- pneumatic control
- pitch selector
- pitching oscillation
- pivotal element
- pixel map
- plane angle
- plane configuration
- plane curve
- plane evolute
- plane fracture
- plane pair
- plane plate
- plane polygon
- plane section
- plane symmetry
- plane triangle
- planer array
- planetary system
- planimetric
- planning
- planning tasks
- plash plant
- plasma panel
- plate
- plate current
- plate modulation
- plate rail
- plausible
- point
- point charge
- point conic
- point contact
- point coordinates
- point correspondence
- point diagram
- Point estimation
- point event
- point geometry
- point involution
- point location
- point pair
- point plotting
- point process
- point size
- point spectrum
- point sphere
- point transformation
- pointed arch
- pointer
- pointer assignment
- pointer associated
- pointer association
- pointer chain
- pointer conversion
- pointer declaration
- pointer field
- pointer initialization
- pointer trail
- POINTER type
- pointer value
- pointing device
- pointwise
- pointwise discontinuous
- poised-gas
- Poisson distribution
- polar
- polar curve
- polar developable
- polar equation
- polar line
- polar metric
- polar modulation
- polar normal
- polar plane
- polar radius
- polar relay