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{{wiktionary|ns|nS|NS}}
'''NS''' as an abbreviation can mean:
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==Arts and entertainment==
===Gaming===
* [[Natural Selection (video game)|''Natural Selection'' (video game)]], a mod for the game ''Half-Life''
* ''[[NetStorm: Islands At War]]'', a real-time strategy game published in 1997 by Activision
* [[Nintendo Switch]], a hybrid video game console and handheld.
* ''[[NationStates]]'', a web-based simulation game
===Literature===
* ''[[New Spring]]'' (known to fans as "NS"), a 1999 anthology edited by Robert Silverberg and derivative 2004 novella by Robert Jordan
* NS-series robots from the book ''[[I, Robot]]''
==Companies==
* [[National Semiconductor]] (also known as "Natsemi"), an American integrated circuit design and manufacturing company
* [[Nederlandse Spoorwegen]], the main public transport railway company in the Netherlands
* [[Norfolk Southern Railway]], a major Class I railroad in the United States, owned by the Norfolk Southern Corporation
* [[Norfolk Southern Railway (1942–1982)]], the final name of a railroad running in Virginia and North Carolina before its acquisition by the Southern Railway in 1974
==Government and politics==
* ''[[Nasjonal Samling]]'', a 1930s Norwegian national socialist political party
* [[National Security Department]] (noted as NS), a law enforcement agency in Hong Kong
* [[National service]], a name for the conscription system of some militaries
* National Socialism or [[Nazism]], the ideology held by, among other political parties, the National Socialist German Workers Party
* [[New Serbia (political party)]] (''Nova Srbija''), a political party in Serbia
* [[People's Party (Serbia, 2017)]] (''Narodna stranka''), a political party in Serbia
* [[New Slovenia]] (also known as ''Nova Slovenija - Krscanski Ljudska Stranka''), a right-of-centre political party in Slovenia
* [[People's Party (Montenegro)]] (''Narodna Stranka''), a political party in the Republic of Montenegro
* [[National Alliance (Lithuania)]] (''Nacionalinis susivienijimas''), a political party in Lithuania
==Places==
* [[Negeri Sembilan]], one of the fourteen states in Malaysia
* [[Novi Sad]], a city in Serbia (license plate code)
* [[Nova Scotia]], as the official Canadian postal abbreviation for the province
==Science and technology==
===Biology and medicine===
* [[Nervous system]], the system of neurons that coordinates the actions of an organism
* [[Normal saline]], a solution of sodium chloride used in intravenous drips
===Computing===
* [[Name server]], a computer server that implements a name service protocol
** [[NS record]], a DNS record type
* [[Namespace]], an abstract container used in computing
* Neighbor Solicitation, part of IPv6's [[Neighbor Discovery Protocol]]
* [[NeXTSTEP]], an object-oriented, multitasking operating system by NeXT, as well as a prefix for certain system-provided classes in the operating system, such as "NSString"
* [[ns (simulator)]] (or "ns-2"), an open source network simulator
===Mathematics===
* [[ns (elliptic function)]], one of Jacobi's elliptic functions
* NS, the [[Néron–Severi group]]
===Other uses in science and technology===
* [[Nanosecond]] (abbreviated "ns"), a measure of time
* [[Nanostructure]]
* [[Neutron star]], a star formed from the collapsed remnant of a massive star
* [[New Shepard 3]] (NS3), a reusable launch vehicle from Blue Origin, being tested in 2017-18
* [[Newton second]], the SI derived unit for momentum
* Not significant, when differences between categories are smaller than the amount of error/noise in the data, see [[Statistical significance]]
* Nuclear Ship (NS), a [[ship prefix]] for civilian ship names
* [[Norsk Standard]], Norwegian Standard, Standards defined by [[Standard Norge]]
==Other uses==
* [[National school (Ireland)]], a type of school
* [[New Style]] (as "N.S." in opposition to Old Style as "O.S."), indicating ''either'' a date in the Julian Calendar with the start of year adjusted to 1 January, or a date in the Gregorian calendar
{{disambiguation}}