Oao definitions

Oao

1) Skylab initials
Found on https://www.crosswordclues.com/clue/oao

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OAO

OAO, a three letter acronym, may stand for: ...
Found on http://en.wikipedia.org/wiki/OAO

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OAO

Ontario Association of Orthodontists
Found on http://www.encyclo.co.uk/local/20895

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OAO

Over And Out
Found on http://www.encyclo.co.uk/local/21662

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OAO

Okayama Astrophysical Observatory, in Japan
Found on http://www.translationdirectory.com/glossaries/glossary142.htm

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OAO

Orbiting Astronomical Observatory, a series of satellites with astronomical instruments that operated in the 1970s
Found on http://www.translationdirectory.com/glossaries/glossary142.htm

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