PN may refer to:
Arts and entertainment
* ''
Purple Noon
''Purple Noon'' (french: Plein soleil; it, Delitto in pieno sole; also known as ''Full Sun'', ''Blazing Sun'', ''Lust for Evil'', and ''Talented Mr. Ripley'') is a 1960 crime thriller film directed by René Clément, loosely based on the 1955 nove ...
'', a 1960 film
*
Patriotic Nigras, a griefing group in the game ''Second Life''
Business and economics
*
Pacific National
Pacific National is one of Australia's largest rail freight businesses.
History
In February 2002, National Rail's freight operations and rollingstock (owned by the Federal, New South Wales and Victorian Governments) were combined with Freig ...
, a rail freight company in Australia
*
Participatory notes, issued to unregistered overseas investors in Indian stock markets
*
Pennsylvania Northeastern Railroad
The Pennsylvania Northeastern Railroad is a short-line railroad operating on trackage mostly in Bucks and Montgomery counties to the north of Philadelphia, Pennsylvania. It was created in 2011, taking over former operations from CSX Transporta ...
(reporting mark PN)
*
Promissory note, a contract where one party makes an unconditional promise in writing to pay a sum of money to another
*
West Air (China)
West Airlines Co. Ltd. (), operating as West Air, is a low-cost airline based in New North Zone, Chongqing, China, operating a scheduled passenger network to domestic and international destinations out of its hub, Chongqing Jiangbei International ...
(IATA airline code PN)
Organizations
Navies
*
Pakistan Navy
*
Peruvian Navy
*
Philippine Navy
*
Portuguese Navy
The Portuguese Navy ( pt, Marinha Portuguesa, also known as ''Marinha de Guerra Portuguesa'' or as ''Armada Portuguesa'') is the naval branch of the Portuguese Armed Forces which, in cooperation and integrated with the other branches of the Port ...
Political parties
*
National Renaissance Front
The National Renaissance Front ( ro, Frontul Renașterii Naționale, FRN; also translated as ''Front of National Regeneration'', ''Front of National Rebirth'', ''Front of National Resurrection'', or ''Front of National Renaissance'') was a Romani ...
, Partidul Naţiunii, a political party in Romania
*
Partit Nazzjonalista
The Nationalist Party ( mt, Partit Nazzjonalista, PN) is one of the two major contemporary political parties in Malta, along with the Labour Party.
It is a Christian-democratic, and conservative political party, and it has been also described ...
, a political party in Malta
*
Perikatan Nasional
The National Alliance ( ms, Perikatan Nasional; abbreviation, abbrev: PN) is a political coalition composed of the Malaysian United Indigenous Party (BERSATU), Malaysian Islamic Party (PAS) and Parti Gerakan Rakyat Malaysia (GERAKAN). This coa ...
, a political coalition in Malaysia
*
Partido Nacional (Uruguay), a political party in Uruguay
Places
*
Penang
*
Pitcairn Islands (ISO 3166-1 country code)
*
Palmerston North
Palmerston North (; mi, Te Papa-i-Oea, known colloquially as Palmy) is a city in the North Island of New Zealand and the seat of the Manawatū-Whanganui region. Located in the eastern Manawatu Plains, the city is near the north bank of the ...
, a city in New Zealand
*
Province of Pordenone, a
province
A province is almost always an administrative division within a country or state. The term derives from the ancient Roman '' provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions ou ...
in the autonomous region of
Friuli Venezia Giulia
(man), it, Friulana (woman), it, Giuliano (man), it, Giuliana (woman)
, population_note =
, population_blank1_title =
, population_blank1 =
, demographics_type1 =
, demographics1_footnotes =
, demographics1_t ...
in
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
Science, technology, and mathematics
Biology
*
Parenteral nutrition
Parenteral nutrition (PN) is the feeding of nutritional products to a person intravenously, bypassing the usual process of eating and digestion. The products are made by pharmaceutical compounding companies. The person receives a nutritional mi ...
*
Phylogenetic nomenclature, an approach to naming groups of living things
Electronics and computing
*
.pn, the country code top level domain (ccTLD) for Pitcairn Islands
*
p–n junction, a type of junction in electronics
Mathematics
*
Path graph
In the mathematical field of graph theory, a path graph or linear graph is a graph whose vertices can be listed in the order such that the edges are where . Equivalently, a path with at least two vertices is connected and has two termina ...
of size
, denoted by
*
Petri net
A Petri net, also known as a place/transition (PT) net, is one of several mathematical modeling languages for the description of distributed systems. It is a class of discrete event dynamic system. A Petri net is a directed bipartite graph that ...
, one of several mathematical modeling languages for the description of distributed systems
*
Polish notation
Polish notation (PN), also known as normal Polish notation (NPN), Łukasiewicz notation, Warsaw notation, Polish prefix notation or simply prefix notation, is a mathematical notation in which operators ''precede'' their operands, in contrast ...
, a prefix notation proposed by Jan Łukasiewicz
*
Polynomial vector spaces
This page lists some examples of vector spaces. See vector space for the definitions of terms used on this page. See also: dimension, basis.
''Notation''. Let ''F'' denote an arbitrary field such as the real numbers R or the complex numbers C.
T ...
, denoted by
*
Pseudorandom number sequence
A pseudorandom number generator (PRNG), also known as a deterministic random bit generator (DRBG), is an algorithm for generating a sequence of numbers whose properties approximate the properties of sequences of random numbers. The PRNG-generate ...
Other uses in science and technology
*
Part number
A part number (often abbreviated PN, P/N, part no., or part #) is an identifier of a particular part design or material used in a particular industry. Its purpose is to simplify reference to that item. A part number unambiguously identifies a part ...
, an identifier of a particular part design used in a particular industry
*
Particle number, in air-quality measurement
*
petanewton, a
quadrillion
Two naming scales for large numbers have been used in English and other European languages since the early modern era: the long and short scales. Most English variants use the short scale today, but the long scale remains dominant in many non-E ...
newtons
*
Planetary nebula
A planetary nebula (PN, plural PNe) is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives.
The term "planetary nebula" is a misnomer because they are unrelate ...
, in astronomy
*
Post-Newtonian expansion
In general relativity, the post-Newtonian expansions (PN expansions) are used for finding an approximate solution of the Einstein field equations for the metric tensor. The approximations are expanded in small parameters which express orders of ...
, an approximation of General Relativity
*
Proportional navigation For example, if the line of sight rotates slowly from north to east, the missile should turn to the right by a certain factor faster than the LOS-rate. This factor is ''N''.
Proportional navigation (also known as PN or Pro-Nav) is a guidance law ...
, a concept in missile guidance systems
*
Pseudorandom noise
In cryptography, pseudorandom noise (PRN) is a signal similar to noise which satisfies one or more of the standard tests for statistical randomness. Although it seems to lack any definite pattern, pseudorandom noise consists of a deterministic s ...
, a deterministic sequence of pulses used in spread spectrum communication and rangefinding
*
Phosphorus mononitride (PN), an inorganic compound found in space
Other uses
* Pottery
Neolithic
The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several p ...
*
Proper noun
A proper noun is a noun that identifies a single entity and is used to refer to that entity (''Africa'', ''Jupiter'', '' Sarah'', ''Microsoft)'' as distinguished from a common noun, which is a noun that refers to a class of entities (''continent, ...
, a linguistic term for the name of an entity
* ''
Public News
Public News is a Pakistani news channel launched on 24 June 2018 by a Pakistani media mogul Yousaf Baig Mirza.
The channel is owned and operated by Sports Star International Private Limited (Sports Star). It is an Urdu language Pakistani televi ...
'', an alternative newspaper in Houston (1982-1998)
{{disambiguation
