What does IO Mean?

Browse 126 acronyms and abbreviations related to IO.

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  • Instant Outlining
  • Installing Officer (International Order of DeMolay)
  • Inexperienced Operator
  • Inspectie van het Onderwijs (Dutch)
  • Information Outlet (LAN)
  • iodine monoxide
  • Initial Only
  • Inspecciòn Ocular (Guatemala, police task force)
  • Insignificant Other
  • Input Operator
  • Information Orientation
  • Inboard Outboard (boat drive system)
  • Independent Observations
  • Integrated Optics
  • Immigration Officer
  • Interactive Optimum (cable services)
  • Indian Orchard (Springfield, MA)
  • Integrated Operations (oil industry)
  • Institute of Oceanography
  • Internal Organ
  • Ionium (Thorium Isotope)
  • Imperial Order (gaming)
  • Insertion Order (web advertising)
  • Internal Order
  • Information Output
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