NIR

NIR or Nir may refer to:

Science and technology 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 Nir, Iran (disambiguation), several places in Iran Negros Island Region, one of the 18 regions of the Philippines Nigeria, UNDP country code Northern Ireland (FIFA country code: NIR, ISO 3166 code: GB-NIR), a part of the United Kingdom Ness Islands Railway, a miniature railway in Scotland Nainpur Junction railway station (station code: NIR), Madhya Pradesh, India

Other uses Nir (name), a Hebrew given name and surname Northern Ireland Railways, the railway operator in Northern Ireland

Nordmøre Interkommunale Renovasjonsselskap, a Norwegian waste management agency

Rate of natural increase, a demographic metric of population increase Nationaal Instituut voor de Radio-Omroep, Dutch name of Belgium's National Institute of Radio Broadcasting (1930-1960)

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