PF
Encyclopedia
Computer science
- Page faultPage faultA page fault is a trap to the software raised by the hardware when a program accesses a page that is mapped in the virtual address space, but not loaded in physical memory. In the typical case the operating system tries to handle the page fault by making the required page accessible at a location...
, a type of exception (error) in computer programming - Page file, a file used as an extension for computer memory
- PF (firewall)PF (firewall)PF is a BSD licensed stateful packet filter, a central piece of software for firewalling. It is comparable to iptables, ipfw and ipfilter...
, OpenBSD's stateful packet filter - PF keys, a type of function keys on old keyboards
- PlayfishPlayfishPlayfish, currently a property of Electronic Arts, is a developer of free-to-play social network games. Playfish was founded in 2007 by Kristian Segerstråle, Sebastien de Halleux, Sami Lababidi and Shukri Shammas. In October 2008, they secured USD$17 million in venture capital funding from Accel...
, a developer of free social network games
Geography
- Paracel IslandsParacel IslandsThe Paracel Islands, also called Xisha Islands in Chinese and Hoàng Sa Islands in Vietnamese, is a group of islands under the administration of Hainan Province, The People's Republic of China. Vietnam and the Republic of China also claim sovereignty of these islands...
, FIPS PUB 10-4 territory code - French PolynesiaFrench PolynesiaFrench Polynesia is an overseas country of the French Republic . It is made up of several groups of Polynesian islands, the most famous island being Tahiti in the Society Islands group, which is also the most populous island and the seat of the capital of the territory...
(Polynésie française), ISO 3166 internet country code .pf.pf.pf is the Internet country code top-level domain for French Polynesia.A local contact has to be appointed to register a domain name under .pf. The only 2nd level domain available for public registrations at the third level is .com.pf, but most registrations are made directly at the second level.-...
Physics
- Power factorPower factorThe power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit, and is a dimensionless number between 0 and 1 . Real power is the capacity of the circuit for performing work in a particular time...
, or cos phi, of an AC electric power system - Purple fringingPurple fringingIn photography, and particularly in digital photography, purple fringing is the term for an out-of-focus purple or magenta "ghost" image on a photograph...
, a type of chromatic aberration in photography - Phenol formaldehyde resinPhenol formaldehyde resinPhenol formaldehyde resins include synthetic thermosetting resins such as obtained by the reaction of phenols with formaldehyde. Sometimes the precursors include other aldehydes or other phenol. Phenolic resins are mainly used in the production of circuit boards...
, the earliest synthetic polymer - Picofarad (pF) or petafarad (PF), multiples of faradFaradThe farad is the SI unit of capacitance. The unit is named after the English physicist Michael Faraday.- Definition :A farad is the charge in coulombs which a capacitor will accept for the potential across it to change 1 volt. A coulomb is 1 ampere second...
, the SI unit of electric capacitance (petafarads rarely if ever used) - Photon FactoryPhoton FactoryThe Photon Factory is a synchrotron located at KEK, in Tsukuba, Japan, about fifty kilometres from Tokyo.There are two major facilities, the Photon Factory itself which is a 2.5GeV synchrotron with a beam current of around 350mA, and the PF-AR 'Advanced Ring for Pulsed X-Rays', which is a 6.5GeV...
, a synchrotron located at KEK in Tsukuba, Japan
Organizations
- Pheasants ForeverPheasants ForeverPheasants Forever, Inc. is a nonprofit conservation organization in the United States formed in response to the continuing decline of upland wildlife. Pheasants Forever have 700 chapters, including 74 in Minnesota, and about 110,000 members Nationwide, including 22,500 in Minnesota. Quail Forever,...
, a non-profit habitat conservation organization - Brazilian Federal PoliceBrazilian Federal PoliceThe Polícia Federal is the federal police force of Brazil subordinate to the Ministry of Justice, whose main assignments are the investigations of crimes against the Federal Government or its organs and companies, the combat of international drug trafficking and terrorism, and immigration and...
(Polícia Federal), in Brazil - Patients' Front, a late 1960s – early 1970s West German pro-illness movement
- South Vietnamese Popular ForceSouth Vietnamese Popular ForceDuring the Vietnam War, the South Vietnamese Popular Force consisted of local militias that protected their home villages from attacks by first National Front for the Liberation of South Vietnam forces and later by People's Army of Vietnam units...
, a local defense militia formed by South Vietnam during the Vietnam War - Patriotic Front (disambiguation), name of a political party in several countries
Other uses
- Phonetic formPhonetic formIn the field of linguistics, specifically in syntax, phonetic form , refers to a certain level of mental representation of a linguistic expression, derived from surface structure, and related to logical form. Phonetic form is the level of representation wherein expressions, or sentences, are...
, a level of syntactic representation in linguistics - Personal foul (disambiguation), a type of foul in several sports
- P&F, a Point and figure chartPoint and figure chartPoint and figure is a charting technique used in technical analysis, used to attempt to predict financial market prices. Point and figure charting is unique in that it does not plot price against time as all other techniques do...
in the technical analysis of securities - Position Fix, a position derived from measuring external reference points
- Power forward (disambiguation)
- Pink FloydPink FloydPink Floyd were an English rock band that achieved worldwide success with their progressive and psychedelic rock music. Their work is marked by the use of philosophical lyrics, sonic experimentation, innovative album art, and elaborate live shows. Pink Floyd are one of the most commercially...
, an English rock band - Pianoforte, full original name of the piano instrument
- Palestinian AirlinesPalestinian AirlinesPalestinian Airlines is an airline based in Egypt that is wholly owned by the Palestinian Authority. Up until it stopped operations in 2001, the airline had scheduled international services from El Arish, Egypt to Amman, Jordan and pilgrim charter services to Jeddah...
, IATA airline designator - Paul FrankPaul FrankPaul Frank is an American cartoonist, artist and fashion designer. His creations adorn clothing, accessories, and many other products...
, an artist and fashion designer - Public forum debatePublic forum debatePublic forum debate, also known as crossfire debate, PFD , is a style of debate practiced in National Forensic League, Texas Forensics Association, and National Catholic Forensic League competitions....
, a debate sanctioned by the National Forensic League - Procurator FiscalProcurator FiscalA procurator fiscal is a public prosecutor in Scotland. They investigate all sudden and suspicious deaths in Scotland , conduct Fatal Accident Inquiries and handle criminal complaints against the police A procurator fiscal (pl. procurators fiscal) is a public prosecutor in Scotland. They...
, the public prosecutor in Scotland - Pepperidge FarmPepperidge FarmPepperidge Farm is a commercial bakery in the U.S. founded in 1937 by Margaret Rudkin, who named the brand after her family's property in Fairfield, Connecticut, which in turn was named for the pepperidge tree, Nyssa sylvatica. Since 1961, the company has been owned by the Campbell Soup Company...
, food company - PF FlyersPF FlyersPF Flyers are a brand of athletic shoes that are currently manufactured by New Balance. They were first produced by BF Goodrich in 1937. They had popularity in the 1950s and 1960s, but lost steam during the 1970s, 1980s, and 1990s. The brand was purchased by Converse in 1972, but later sold off...
, a brand of shoes - Project FanboyProject FanboyProject Fanboy is an American website that publishes news, interviews and reviews about the American comic book industry. In addition, the site is host to comic-book fan voted awards...
, a comic book news website - Provident Fund (disambiguation)
- P/F, Partafelag, the abbreviation used for corporations in the Faroe IslandsFaroe IslandsThe Faroe Islands are an island group situated between the Norwegian Sea and the North Atlantic Ocean, approximately halfway between Scotland and Iceland. The Faroe Islands are a self-governing territory within the Kingdom of Denmark, along with Denmark proper and Greenland...
- Pathfinder (periodicals), supplements to Dungeons & Dragons and the Pathfinder Roleplaying Game
- PfennigPfennigThe Pfennig , plural Pfennige, is an old German coin or note, which existed from the 9th century until the introduction of the euro in 2002....
, a unit of currency formerly used in Germany - Plantar fasciitisPlantar fasciitisPlantar fasciitis is a painful inflammatory process of the plantar fascia, the connective tissue on the sole of the foot.Longstanding cases of plantar fasciitis often demonstrate more degenerative changes than inflammatory changes, in which case they are termed plantar fasciosis. The suffix...
, an inflammatory injury in the midfoot