pene - pill
- peneplanation plane
- penetrability
- penetrability of rock
- penetrable
- penetrant
- penetrate
- penetrated bed thickness
- penetrating power
- penetration
- penetration ability
- penetration capability
- penetration corrosion
- penetration depth
- penetration metamorphism
- penetration rate
- penetration resistance
- penetration speed
- penetration test
- penetration twin
- penetration-fracture grain size test
