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O3

From Wikipedia, the free encyclopedia

O3 may refer to:

  • O3, the molecular formula for ozone
  • O3−, the ozonide anion
  • O3, the 1993 debut album by the techno band Sunscreem
  • O3 A Trilogy, a 2008 concept album trilogy by progressive metal band Dominici
  • O3 star, in stellar classification, a subclass of type O stars
  • O-3, the pay grade for the following officer ranks in the U.S. uniformed services:
    • Captain in the Army, Marine Corps, Air Force, and Space Force
    • Lieutenant in the Navy, Coast Guard, Public Health Service Commissioned Corps, and NOAA Commissioned Officer Corps
  • Haplogroup O3 (Y-DNA), a Y-DNA Haplogroup
  • Oldershaw O-3, glider
  • USS O-3 (SS-64), a 1917 United States O class submarine
  • Otoyol 3, a Turkish motorway from Edirne to Istanbul
  • Oskarshamn 3, unit 3 at Oskarshamn Nuclear Power Plant in Sweden
  • O3 (album), a 2008 album by Son of Dave
  • LNER Class O3, a class of British steam locomotives

See also

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