ZN

ZN or Zn may refer to:

Algebra

• Z_n, a cyclic group
• ${\mathbb{Z}}_n,$ the ring of integers modulo n in modular arithmetic

Geometry

• Azimuth, the angle between a reference plane and a point
• Zenith, the direction pointing directly above a particular location

Science

• Zinc, symbol Zn, a chemical element
• Zettanewton (ZN), an SI unit of force
• Ziehl–Neelsen stain, a bacteriological stain

Other uses

• Zontanoi Nekroi, a Greek hip hop group
• Air Bourbon, a French airline (2002–2004; IATA: ZN)

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