Nm

NM, nm, and variations may refer to:

• Northwestern Mutual, financial services company in Wisconsin, United States
• Air Madrid (IATA airline designator NM), Spanish airline
• Mount Cook Airline (IATA airline designator NM), New Zealand airline
• Manx2 (IATA airline designator NM), Isle of Man airline

• North Macedonia a country in the Balkans
• The National Mall in Washington, D.C., United States
• Navi Mumbai, India
• New Mexico, a state of the United States (postal abbreviation)
• Inner Mongolia, an autonomous region of China (Guobiao abbreviation and ISO-3166-2:CN code NM)

• Nemaline myopathy, a neuromuscular disorder
• Neuromelanin, a dark pigment found in the brain
• Nuclear medicine, a medical imaging modality

• Nanometer (nm), an SI unit of length, equal to 10⁻⁹ m (a thousand-millionth of a meter)
• Nanomolar (nM), in chemistry, one thousand-millionth molar
• Nautical mile (NM or nmi), a unit of length used for maritime and aviation purposes
• Newton-metre (N m, may also be written as N·m), a unit of torque
• Normal cubic metre (Nm³), a unit of volume (normal referring to standard temperature and pressure)
• Normalizovaný muštomer (°NM), a scale of wine must density
• Number metric, a measure of linear density of fibers in textiles

• nm (Unix), a computer program used as an aid for debugging

• NM, nonmetallic-sheathed electrical cable (in North America), nowadays typically thermoplastic-sheathed cable

• Noise margin, the amount by which a signal exceeds the minimum amount for proper operation

• Never mind, or nothing much or not much in Internet slang
• Namma Metro, a rapid transit line in Bangalore, India
• Nao Sena Medal, a gallantry award for servicemen in the Indian Navy
• National monument
  • National monument (United States)
• National Master, a chess title
• no mark, an athletics abbreviation indicating that an athlete participated in a field event but recorded no valid height, jump, or throw.

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