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P (disambiguation)
Encyclopedia
P
is the sixteenth letter of the Latin alphabet. In other alphabets, the Greek Rho
and Er (Cyrillic)
, share the shape of P; the lowercase p is also sometimes confused with Rho
ρ or ϱ.
P may also refer to:
P
P is the sixteenth letter of the basic modern Latin alphabet.-Usage:In English and most other European languages, P is a voiceless bilabial plosive. Both initial and final Ps can be combined with many other discrete consonants in English words...
is the sixteenth letter of the Latin alphabet. In other alphabets, the Greek Rho
Rho (letter)
Rho is the 17th letter of the Greek alphabet. In the system of Greek numerals, it has a value of 100. It is derived from Semitic resh "head"...
and Er (Cyrillic)
Er (Cyrillic)
Er is a letter of the Cyrillic alphabet.It commonly represents the alveolar trill , like the "rolled" sound in the Scottish pronunciation of ⟨r⟩ in "curd".-History:...
, share the shape of P; the lowercase p is also sometimes confused with Rho
Rho (letter)
Rho is the 17th letter of the Greek alphabet. In the system of Greek numerals, it has a value of 100. It is derived from Semitic resh "head"...
ρ or ϱ.
P may also refer to:
Arts, literature and music
- P (band)P (band)-Personnel:*Gibby Haynes - vocals*Johnny Depp - guitar, bass*Sal Jenco - percussion*Bill Carter - guitar, bass-Additional musicians:*Ruth Ellsworth-Carter - keyboards*Flea - bass*Steve Jones - guitar*Andrew Weiss - Moog, guitar*Chuck E. Weiss - washboard...
, 1993-95 American alternative rock band - P (album), the 1995 eponymous release by American alternative rock band P
- “P” (song), a song from the Venetian Snares album Cavalcade of Glee and Dadaist Happy Hardcore Pom PomsCavalcade Of Glee And Dadaist Happy Hardcore Pom PomsCavalcade of Glee and Dadaist Happy Hardcore Pom Poms is a breakcore album by Venetian Snares. It sees Aaron Funk take a more structured approach after the abrasive last album Meathole, using largely synths and acidic sounds with frenetic drum rhythms to create a more melodic approach than many of...
- P, code for the Paris Herbarium at the Muséum national d'histoire naturelleMuséum national d'histoire naturelleThe Muséum national d'Histoire naturelle is the National Museum of Natural History in Paris, France.- History :The museum was formally founded on 10 June 1793, during the French Revolution...
- P, the ancient Greek author of the Hellenica OxyrhynchiaHellenica OxyrhynchiaHellenica Oxyrhynchia is the name given to a history of the late 5th and early 4th centuries BC in ancient Greece, of which papyrus fragments were unearthed at Oxyrhynchus, in Egypt. One of the two major fragments, the so-called London papyrus, found in 1906, deals with battles in the late...
- P, priestly sourcePriestly sourceThe Priestly Source is one of the sources of the Torah/Pentateuch in the bible. Primarily a product of the post-Exilic period when Judah was a province of the Persian empire , P was written to show that even when all seemed lost, God remained present with Israel...
of the Hebrew Bible
Mathematics
- p-valueP-valueIn statistical significance testing, the p-value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true. One often "rejects the null hypothesis" when the p-value is less than the significance level α ,...
, in statistical hypothesis testing - P (complexity)P (complexity)In computational complexity theory, P, also known as PTIME or DTIME, is one of the most fundamental complexity classes. It contains all decision problems which can be solved by a deterministic Turing machine using a polynomial amount of computation time, or polynomial time.Cobham's thesis holds...
, a complexity class in computational complexity theory - #PSharp-PIn computational complexity theory, the complexity class #P is the set of the counting problems associated with the decision problems in the set NP. More formally, #P is the class of function problems of the form "compute ƒ," where ƒ is the number of accepting paths of a nondeterministic...
complexity class - pico- SI prefix
- Peta- Metric system prefix
Money
- P (instead of
), a symbol often used for the Philippine PesoPhilippine pesoThe peso is the currency of the Philippines. It is subdivided into 100 centavos . Before 1967, the language used on the banknotes and coins was English and so "peso" was the name used...
. - p is a symbol for PennyPennyA penny is a coin or a type of currency used in several English-speaking countries. It is often the smallest denomination within a currency system.-Etymology:...
Science and computing
- P-type semiconductorP-type semiconductorA P-type semiconductor is obtained by carrying out a process of doping: that is, adding a certain type of atoms to the semiconductor in order to increase the number of free charge carriers ....
- Haplogroup P (mtDNA)Haplogroup P (mtDNA)In human mitochondrial genetics, Haplogroup P is a human mitochondrial DNA haplogroup.-Distribution:Today, P is found in the Australian continent, especially in Papuan, Melanesian and Australian Aborigines.-Tree:...
, a human mitochondrial DNA (mtDNA) haplogroup - Haplogroup P (Y-DNA)Haplogroup P (Y-DNA)In human genetics, Haplogroup P is a Y-chromosome DNA haplogroup.This haplogroup contains the patrilineal ancestors of most Europeans and almost all of the indigenous peoples of the Americas...
, a Y-chromosomal DNA (Y-DNA) haplogroup - ATC code P Antiparasitic products, insecticides and repellents, a section of the Anatomical Therapeutic Chemical Classification System
- ProlineProlineProline is an α-amino acid, one of the twenty DNA-encoded amino acids. Its codons are CCU, CCC, CCA, and CCG. It is not an essential amino acid, which means that the human body can synthesize it. It is unique among the 20 protein-forming amino acids in that the α-amino group is secondary...
, an amino acid abbreviated P or Pro - P, the usual name for the operation to acquire a semaphoreSemaphore (programming)In computer science, a semaphore is a variable or abstract data type that provides a simple but useful abstraction for controlling access by multiple processes to a common resource in a parallel programming environment....
- p, the symbol for momentumMomentumIn classical mechanics, linear momentum or translational momentum is the product of the mass and velocity of an object...
in physics - P, the symbol for power (physics)Power (physics)In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts—the more wattage, the more power, or equivalently the more electrical energy is used per unit...
- PoisePoiseThe poise is the unit of dynamic viscosity in the centimetre gram second system of units. It is named after Jean Louis Marie Poiseuille ....
, the unit for dynamic viscosity in the centimetre gram second system of units - P, the symbol for the chemical element phosphorusPhosphorusPhosphorus is the chemical element that has the symbol P and atomic number 15. A multivalent nonmetal of the nitrogen group, phosphorus as a mineral is almost always present in its maximally oxidized state, as inorganic phosphate rocks...
- P, the symbol for pressurePressurePressure is the force per unit area applied in a direction perpendicular to the surface of an object. Gauge pressure is the pressure relative to the local atmospheric or ambient pressure.- Definition :...
- <p>, the HTML element to mark the beginning of paragraphs
- p, the SI prefix symbol for pico-, 10-12
- p, approximates the negative common logarithm (base 10) in pHPHIn chemistry, pH is a measure of the acidity or basicity of an aqueous solution. Pure water is said to be neutral, with a pH close to 7.0 at . Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline...
, the measure of acidity or basicity - p, a suffix unit for video resolution (vertical Progressive-scan lines), as in 720p or 1080p
Corporate
- P, the New York Stock Exchange ticker symbol for Pandora Media, Inc., the corporate owner of Pandora Radio
- P, PanasonicPanasonicPanasonic is an international brand name for Japanese electric products manufacturer Panasonic Corporation, which was formerly known as Matsushita Electric Industrial Co., Ltd...
's mobile phones in Japan - Railpower TechnologiesRailPower TechnologiesRailpower Technologies Corp. is a subsidiary of R.J. Corman Railroad Group that builds environmentally friendly hybrid and genset yard locomotives, founded by Frank Donnelly and Gerard Koldyk...
, (TSX: P) is a Canadian company that builds environmentally friendly hybrid yard locomotives.
Other uses
- p., an abbreviation for pagePage (paper)A page is one side of a leaf of paper. It can be used as a measurement of documenting or recording quantity .-The page in typography:...
when referencing a page number in a print publication - Pirate Party (Poland)Pirate Party (Poland)The Pirate Party is a political party in Poland based on the model of the Swedish Piratpartiet. It was founded on July 7, 2006, and registered on November 11, 2007....
- P, New Zealand street name for methamphetamine
- The encircled P, or ℗, is the sound recording copyright symbolSound recording copyright symbolThe ' symbol, a circled P, is the copyright symbol used to provide notice of copyright in a sound recording . The use of the symbol originated in United States copyright law and is specified internationally in the Convention for the Protection of Producers of Phonograms Against Unauthorized...
- P, on maps, a symbol for a ParkingParkingParking is the act of stopping a vehicle and leaving it unoccupied for more than a brief time. Parking on one or both sides of a road is commonly permitted, though often with restrictions...
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