pillar - PNC
- plan
- plan control
- plan of mine
- plan of site
- plan of sites location
- plan parallel structure
- plan-parallel structure
- planar
- planar flow structure
- planar reflector
- planar structure
- planar translation
- planar wave front
- planar wavefront
- planar-dimensional
- planarea
- planation
- plancha
- plancheite
- planchette
- plane
- plane boundary
- plane face
- plane flow
- plane fracture
- plane grate
- plane homocline
- plane interface
- plane lattice
- plane layer
- plane layered geology
- plane layered medium
- plane layered model
- plane layered structure
- plane of cleavage
- plane of commissure
- plane of contact
- plane of discontinuity
- plane of disruption
- plane of extension