Las Piedras
geographical name
Las Pie·dras ˌläs-ˈpyā-t͟hräs 
municipality in central eastern Puerto Rico population 38,675
- magnetic dip
- magnetic disk
- magnetic elements
- magnetic equator
- magnetic field
- magnetic fluid
- magnetic fluid clutch
- magnetic flux
- magnetic flux density
- magnetic focusing
- magnetic force
- magnetic head
- magnetic heading
- magnetic hysteresis
- magnetic inclination
- magnetic induction
- magnetic intensity
- magnetic iron
- magnetic iron ore
- magnetic lag
- magnetic latitude
- magnetic lens
- magnetic levitation
- magnetic memory
- magnetic meridian