part - pick
- peripheral gas stream
- peripheral loading
- perished steel
- peritectic
- peritectic alloy
- peritectic composition
- peritectic halt
- peritectic horizontal
- peritectic phase
- peritectic point
- peritectic temperature
- peritectic transformation
- peritectoid
- peritectoid alloy
- peritectoid composition
- peritectoid phase
- peritectoid transformation
- perlite
- perlition
- permabrasive
- permag
- permalloy
- permanent backing
- permanent change of form
- permanent die
- permanent electrode
- permanent electrode furnace
- permanent flow
- permanent linear shrinkage
- permanent magnet material
- permanent mold
- permanent set
- permanent top
- permanent-magnet alloy
- permanent-magnet meter
- permanent-magnet steel
- permanent-mold casting
- permanganate
- permeability
- permeability meter