phys - plas
- physical adsorption
- physical atmosphere
- physical circuits
- physical editing
- physical electronics
- physical height
- physical imperfection
- physical length
- physical limits
- physical photometer
- physical photometry
- physical shock
- physical simulation
- physlcal optics field
- pi attenuator
- pi bond
- pi circuit
- pi layer
- pi mode
- pi point
- pi- network
- pi-circuit
- pi-mode magnetron
- pi-mode operation
- pi-mode oscillation
- pi-section
- pi-section filter
- piano wiring
- piccolo
- pick-off diode
- pickax
- pickax bubble propagation circuit
- pickax bubble propagation pattern
- pickax bubble-domain propagation circuit
- pickaxe
- picket-fence effect
- pickoff
- pickup
- pickup antenna
- pickup arm
