Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym HEO is...

HEO is

  • Highly Elliptical Orbit

More Meanings For HEO:

  • Highly Elliptical Orbit
  • Hispanic Employee Organization
  • High Energy Orbit
  • Harbour Empowerment Order
  • Haelogo, Papua New Guinea

HEO is also in:

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