- palletizing
- pampas
- pan conveyor
- pan salt
- pan tail
- papyrus
- para compound
- para rock
- para unconformity
- parabolic
- paraffin dirt
- paraffin knife
- paraffin mass
- paraffin scale
- paraffin scraper
- paraffin wax
- paraffinicity
- paraffinium
- paragenesis
- parallel migration
- parallel nicol
- parallel shot
- parallel texture
- parallel unconformity
- paralysis
- paramagnetic material
- paramagnetic salt
- paramagnetism
- paramorphic
- paramorphine
- panidiomorphic texture
- panning
- pantometer
- paper
- paper bail
- paper chromatography
- paper clay
- paper insulation
- paper mill
- paper schist
- paperboard
- parabanic acid
- parabolic creep
- paraffin
- paraffin butter
- paraffin distillate
- paraffin flux
- paraffin oil
- paraffin press
- paraffin series
- paraffin shale
- paraffinic
- paragglutination
- paralic
- parallel displacement
- parallel flow
- parasitic cone
- parasitic crater
- paratypical
- paravar
- paraxylene
- parchment
- parchment paper
- parent acid
- parent magma
- parent metal
- parent stock
- parent substance
- parian cement
- parkerize
- parol
- parol agreement
- paroxysm
- Parr method
- parrot coal
- partial bearing
- partial combustion
- partial condensation
- partial condenser
- partial ionization
- partial load
- partial magma
- partial oxidation
- partial pressure
- partial reduction
- partial reflection
- partial vacuum
- partial valence
- particle board
- particle classification
- particle number
- particle reinforcement
- particle sediment
- particle sizing
- particulate
- particulate catalyst
- parting
- partition chromatography
- partition coefficient
- partition column