ZN
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ZN or Zn may refer to:
Algebra
[edit]- Zn, a cyclic group
- the ring of integers modulo n in modular arithmetic
Geometry
[edit]- Azimuth, the angle between a reference plane and a point
- Zenith, the direction pointing directly above a particular location
Science
[edit]- Zinc, symbol Zn, a chemical element
- Zettanewton (ZN), an SI unit of force
- Ziehl–Neelsen stain, a bacteriological stain
Other uses
[edit]- Zontanoi Nekroi, a Greek hip hop group
- Air Bourbon, a French airline (2002–2004; IATA: ZN)