| Power budget | Power factor | Power failure transfer |
| Power-law index profileFor optical fibers, a power-law index profile is a class of graded-index profiles characterized by where n (r ) is the nominal refractive index as a function of distance from the fiber axis, n is the nominal refractive index on axis, n is the refractive i | Power marginIn telecommunication, the power margin is the difference between available signal power and the minimum signal power needed to overcome system losses and still satisfy the minimum input requirements of the receiver for a given performance level. Note: Sys | PoikilothermicPoikilothermic organisms, commonly referred to as cold-blooded organisms, are animals that have no internal metabolic mechanism for regulating their body temperatures. Some (usually smaller) have unregulated temperatures, but most have sohpisticated physi |
| Post and lintelPost and lintel is a simple, rectilinear arch design. The posts are the upright supports and the lintel is the top crossbeam. | Port Authority of New York and New JerseyThe Port Authority of New York and New Jersey is a bi-state agency (operated pursuant to an interstate compact) that runs most of the regional transportation infrastructure including the bridges, tunnels, airports and seaports within the New York-New Jers | Potassium ferrocyanidePotassium ferrocyanide (KFe(CN)·3HO), also known as yellow prussiate of potash, is a coordination compound forming lemon-yellow monoclinic crystals at room temperature and decomposing at its boiling point. It is insoluble in alcohol but a litre of water c |
| PotSee: Pottery Cannabis (marijuana) Cooking pot Gardening or Garden Pol Pot A technical slang for potentiometer Pot or Pud Pot (poker). | Population transferPopulation transfer is a term referring to a policy by which a state forces the movement of a large group of people out of a region, invariably on the basis of ethnicity or religion. By contrast, individuals and smaller groups of their politically effecti | Power controlElectric) Power Control deals with routing electric power, controlling its quality, and controlling the devices attached to a power line. A number of technologies have evolved for using the power wiring to turn devices attached to the power line on and of |
| Polyp | Poop | Pogonophora |
| Polychaete | Pony Express | Polka |
| Polish contribution to World War II | Polymorphic | Postcyberpunk |
| Polynomial time | Portland, Maine | Positronium |
| Port-Salut cheese | Portugal in the period of discoveries | Porcupine |
| Polokwane | Pope Leo I | Pope Sixtus V |
| Pope Nicholas V | Pope Nicholas III | Pope Paschal I |
| Pope Paschal II | Pope Gelasius II | Polish literature |
| Pope Pius VI | Pope Lucius III | Political ecology |
| Porto Torres | Portuguese Timor | Power supply (Star Trek) |
| Podkayne of Mars | Porpoise | Political economy |
| Pope Nicholas IV | Pope Lucius II | Portable soup |
| Possum | Pope Paul I | Pollen |
| Pope Paul II | Ponzi scheme | Pope Paul III |
| Pollock | Pohnpei | Polder |
| Point | Polychlorinated biphenyl | Polyurethane |
| Poly vinyl pyrrolidone | Pope Eugenius IV | Potsdam |
| Polar aurora | Poynting vector | Pole |
| Pope Leo XII | Polar climate | Porvoo |
| Polari | Post-Keynesian economics | Pope Leo XIII |
| Politics of Tunisia | Politics of Madagascar | Poison |
| Portland Institute for Contemporary Art | Power spectrum | Pope Pontian |
| Power number | Poitiers | Postal code |
| Pope Dionysius | Porky Pig | Politburo of the Communist Party of China |
| Pope Fabian | Port Talbot | Pope Paul V |
| Poaching (cooking) | Poaching | Poet Laureate |
| Pope Paul IV | Pope Cornelius | Polish theater |
| Port Arthur Massacre | Pope Pius IX | Polycystic ovary syndrome |
| Portuguese euro coins | Politics of Fiji | Postcard |
| Port Arthur | Pope Sabinianus | Politician |
| Poison pill | Pollux | Poverty line in the United States |