N (disambiguation)

(Redirected from N (physics symbol))

N is the fourteenth letter of the English alphabet.

N or n may also refer to:

Mathematics

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Science

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  • ATC code N Nervous system, a section of the Anatomical Therapeutic Chemical Classification System
  • Haplogroup N (mtDNA), a human mitochondrial DNA haplogroup
  • Haplogroup N (Y-DNA), a human Y-chromosome DNA haplogroup
  • N band, an atmospheric transmission window in the mid-infrared centred on 10 micrometres
  • N ray, a hypothesized form of radiation, found to be illusory
  • N., abbreviation of the Latin word nervus meaning nerve, used in anatomy, e.g. N. vagus

Quantities and units

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  • N for Newton (unit), the SI derived unit of force
  • N or  , a normal force in mechanics
  • Nitrogen, symbol N, a chemical element
  • N or Asn, the symbol for the common natural amino acid asparagine
  • N, the Normality (chemistry) or chemical concentration of a solution
  • N, the neutron number, the number of neutrons in a nuclide
  • N, in Brillouin zone, the center of a face of a body-centered cubic lattice
  • N, the physical quantity "rotation" in the International System of Quantities
  • n, for nano-, prefix in the SI system of units denoting a factor of 10−9
  • n, the optical refractive index of a material
  • n, the principal quantum number, the first of a set of quantum numbers of an atomic orbital
  • n, an electron density, the measure of the probability of an electron being present at a specific location
  • n, an amount of substance in chemical physics
  • n, the coordination number of a substance
  • n-, a lowercase prefix in chemistry denoting the straight-chain form of an open-chain compound in contrast to its branched isomer
  • N-, an uppercase prefix in chemistry denoting that the substituent is bonded to the nitrogen, as in amines

Transport

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Engineering

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Entertainment

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  • N. (novella), a 2008 short story by Stephen King
  • Near (Death Note) (alias N), a character in the manga series Death Note
  • N (video game), a 2005 computer game
  • N (Pokémon), the leader and king of crime syndicate Team Plasma in the Pokémon franchise
  • The N, a block on the Noggin TV channel
  • N, the production code for the 1965 Doctor Who serial The Web Planet
  • "N" Is for Noose, the fourteenth novel in Sue Grafton's "Alphabet mystery" series, published in 1998

Music

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  • N (singer), stage name of Cha Hak-yeon, leader of the South Korean boy band VIXX
  • N, an alias of Drew Mulholland, who recorded more often as Mount Vernon Arts Lab
  • N (album), a 2008 album by Norther
  • "N", a song by BanYa for the "Pump It Up: The Perfect Collection" music video game
  • "n", a song by iamamiwhoami

Language

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Other uses

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See also

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