NIR or Nir may refer to:

Science and technology

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  • Near-infrared, a region within the infrared part of the electromagnetic radiation spectrum
  • Near-infrared spectroscopy, a spectroscopic method that uses the near-infrared region (from 780 nm to 2500 nm).
  • National Identity Register, a former UK database
  • National Internet registry, which coordinates IP address and other resource allocation
  • NIR, proposed variation of the SECAM colour television system in the Soviet Union
  • Numéro d'inscription au répertoire national d'identification des personnes and numéro d'inscription au répertoire, national identity numbers; see INSEE code

Places

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Other uses

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See also

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