pentahedral - piling up
- petromictic
- petromorph
- petromorphology
- petrophilous
- petrophysical characteristics
- petrophysical data
- petrophysical function
- petrophysical functions
- petrophysical interpretation
- petrophysical investigations
- petrophysical mapping
- petrophysical model
- petrophysical study
- petrophysics
- petrosilex
- petrostearine
- petrostratigraphy
- petrotectonics
- petrous
- Petterson current meter