Aviation

• N₁, in jet engine terminology, the gas generator section RPM
• N1 (rocket), a Soviet Union rocket
• N-I rocket, a Japanese rocket
• AEG N.I
  AEG N.I
  The AEG N.I was a German biplane night-bomber which saw limited action during World War I. A total of 37 were built....
  
  , a German World War I night bomber
• Caproni Campini N.1, a 1940 early motorjet-powered test aeroplane
• Friedrichshafen N.I a German World War I aircraft

Other uses

• Nexus One
  Nexus One
  The Nexus One was Google's flagship smartphone manufactured by Taiwan's HTC Corporation. It became available on January 5, 2010 and uses the Android open source mobile operating system...
  
   phone from Google
• N1 (also called N100), an evoked potential over the human brain
• N1 (Long Island bus)
• N1, a Sun Microsystems software brand now mostly integrated into Sun Ops Center
• N1 Grid Engine, older name for Sun Grid Engine
• N1 ring, a term used in mathematics
• N1, a postcode district in the N postcode area
  N postcode area
  The N postcode area, also known as the London N postcode area, is the part of the London post town covering part of North London, England....
  
  
• Naboo N-1 Starfighter, a spacecraft from the Star Wars fictional universe
• PRR N1s
  PRR N1s
  The Pennsylvania Railroad's N1s was a class of steam locomotive built for Lines West. They were of 2-10-2 "Santa Fe" wheel arrangement, ten driving wheels with a two-wheel leading truck and a two-wheel cast KW-pattern trailing truck under a giant firebox...
  
  , a type of steam locomotive

• USS N-1 (SS-53)
  USS N-1 (SS-53)
  USS N-1 was the lead ship of her class of coastal defense submarine of the United States Navy. Her keel was laid down on 26 July 1915 by Seattle Construction and Drydock Company in Seattle, Washington. She was launched on 30 December 1916 sponsored by Mrs. Guy E. Davis, and commissioned on 26...
  
  , a 1915 coastal defense submarine of the United States Navy
• Internet slang
  Internet slang
  Internet slang is a type of slang that Internet users have popularized, and in many cases, have coined. Such terms often originate with the purpose of saving keystrokes. Many people use the same abbreviations in texting and instant messaging, and social networking websites...
  
   or for "nice one"
• a non-small cell lung carcinoma staging code for Metastasis to ipsilateral peribronchial or ipsilateral hilar lymph nodes
• a type of light commercial vehicle
  Light commercial vehicle
  Light commercial vehicles is a commercial carrier vehicles with a Gross vehicle weight of up to 3.5 tonnes. The formal term within the European Union is Light commercial vehicles. Vehicles which qualify in this category are pickup trucks, vans and 3 wheelers all commercially based goods or...
  
  
• Network One
  Network One
  Network One was a small "independent" network, consisting of mostly low-powered television stations, scattered across the Continental United States, similar to Urban America Television, America One, or the better-known Ion...
  
  , a defunct American broadcast television network
• Nippon Ichi
  Nippon Ichi
  is a Japanese video game developer and publisher. They are responsible for such titles as Disgaea: Hour of Darkness, Phantom Brave, La Pucelle: Tactics and Rhapsody: A Musical Adventure.-History:Nippon Ichi Software was founded in September 1991 in Gifu Prefecture, Japan, as an entertainment...
  
  , also known as N1, a Japanese developer and publisher of game software
• visual N1
  Visual N1
  The Visual N1 is a visual evoked potential, a type of event-related electrical potential , that is produced in the brain and recorded on the scalp. The N1 is so named to reflect the polarity and typical timing of the component. The "N" indicates that the polarity of the component is negative with...
  
  , a human brain evoked potential response

• Nephritic syndrome
  Nephritic syndrome
  Nephritic syndrome is a collection of signs associated with disorders affecting the kidneys, more specifically glomerular disorders. It is characterized by having small pores in the podocytes of the glomerulus, large enough to permit proteins and red blood cells to pass into the urine...
  
   ICD-10 code
• ATC code N01
  ATC code N01
  -N01AB Halogenated hydrocarbons:-N01AB Halogenated hydrocarbons:-N01AB Halogenated hydrocarbons::N01AB01 Halothane:N01AB02 Chloroform:N01AB03 Methoxyflurane:N01AB04 Enflurane:N01AB05 Trichloroethylene:N01AB06 Isoflurane:N01AB07 Desflurane:N01AB08 Sevoflurane...
  
   Anesthetics, a subgroup of the Anatomical Therapeutic Chemical Classification System

See also

• Number One (disambiguation)
• Bessel's correction
  Bessel's correction
  In statistics, Bessel's correction, named after Friedrich Bessel, is the use of n − 1 instead of n in the formula for the sample variance and sample standard deviation, where n is the number of observations in a sample: it corrects the bias in the estimation of the population variance,...
  
  , the use of instead of in the formula for the sample variance and sample standard deviation