| Potential difference | Positivism | Power associativity |
| Polish notationPolish notation also known as prefix notation was created by Jan Lukasiewicz. Operators are placed before operands. These were the notations of propositional logic: :Np negation ~p :Kpq conjunction p ∧ q :Apq disjunction p ∨ q :Cpq material implica | PosthumanismPosthumanism is a kind of neohumanist ideology. It is often thought of in two markedly different ways. European posthumanism In Europe, posthumanism is understood as beyond humanism and is the dominant secular, rational humanist philosophy. It transcends | Polyatomic ionA polyatomic ion is an ion consisting of multiple atoms associated together by covalent bonds which can be considered as acting as a single unit in the context of acid/ base chemistry or in the formation of salts. Note that in this context, a polyatomic i |
| PolioPoliomyelitis ("polio") is a viral paralytic disease. The causative agent, a virus called poliovirus (PV), enters the body orally, infecting the intestinal lining. It may proceed to the blood stream and into the central nervous system causing paralysis an | PosadaPosada is an ancient town of Sardinia, Italy and the main town of an historical district called Baronia di Posada or Baronia Alta (to be distinguished from Baronia Bassa or Baronia di Orosei/Galtelli'), on the Tyrrhenian coast of the island. The ancient p | PoeciliidaeAlfaro Belonesox Brachyrhapis Cnesterodon Gambusia (mosquitofishes) Girardichthys Girardinus Heterandria Heterophallus Jenynsia Limia Micropoecilia Phallichthys Phalloceros Phalloptychus Platypoecilus Poecilia (mollies) Poeciliopsis Priapella Pseudoxiphop |
| PolymathLeonardo da Vinci A polymath is a person who excels in multiple fields, particularly in both arts and sciences. Another term for this is Renaissance man or Homo universalis . Many notable polymaths lived during the European Renaissance period, and a round | PowerBookPowerBook is Apple Computer's brand name for its series of Macintosh professional laptop computers. Since 1999, Apple has a second series of less expensive laptops, aimed at the consumer and education markets, the iBook. Prior to the release of the PowerB | Postage stampA postage stamp is evidence of pre-paying a fee for postal services. Usually a small paper rectangle which is attached to an envelope, signifying that the person sending the letter or package has paid for delivery, it is the most popular alternative to us |
| Ponte Vecchio | Porto Ottiolu | Politics of Qatar |
| Politics of the Republic of the Congo | Politics of Réunion | Politics of Romania |
| Politics of Rwanda | Politics of Russia | Politics of South Korea |
| Politics of Saint Helena | Politics of Saint Kitts and Nevis | Politics of Saint Lucia |
| Politics of Saint Pierre and Miquelon | Politics of Saint Vincent and the Grenadines | Politics of Samoa |
| Politics of San Marino | Politics of São Tomé and Príncipe | Politics of Saudi Arabia |
| Politics of Senegal | Politics of Seychelles | Politics of Sierra Leone |
| Politics of Singapore | Politics of Slovakia | Politics of Slovenia |
| Politics of the Solomon Islands | Politics of Somalia | Politics of South Africa |
| Politics of Spain | Politics of Sri Lanka | Politics of Sudan |
| Politics of Suriname | Politics of Swaziland | Politics of Switzerland |
| Politics of Syria | Politics of Taiwan | Politics of Tajikistan |
| Politics of Tanzania | Politics of Thailand | Politics of Togo |
| Politics of Tonga | Politics of Trinidad and Tobago | Politics of Turkey |
| Politics of Turkmenistan | Points race | Politics of the United Kingdom |
| Politics of Ukraine | Politics of the United Arab Emirates | Politics of Uruguay |
| Politics of Uzbekistan | Politics of the United States | Politics of Vietnam |
| Politics of the Vatican City | Politics of Vanuatu | Politics of Venezuela |
| Politics of Western Sahara | Politics of Yemen | Politics of Serbia and Montenegro |
| Politics of Zimbabwe | Politics of Zambia | Pope Gregory VII |
| Pope Leo VIII | Political prisoner | Porsche 914 |
| Pope Leo II | Pope Leo IV | Pope Leo V |
| Pope Leo VI | Pope Leo VII | Pope John XXII |
| Political theorist | Porphyry | Pope Leo XI |
| Pope Leo X | Powaqqatsi | Poznan University of Technology |
| Poverty in the United States | Poltava | Power transmission |
| Polish Peasant Party | Postcondition | Pope Lando |
| Possessive case | Polynesia | Postmark |
| Politics of Algeria | Portland cement | Positive-definite matrix |
| Polish United Workers' Party | Poisson distribution | Polarential telegraph system |
| Polarization | Polarization-maintaining optical fiber | Polling |
