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What does O/B stand for?

What does O/B mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: O/B.

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o/b

on board

Business » General

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O/B

Outboard

Governmental » Military -- and more...

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O/B

OnBoard

Governmental » NASA

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O/B

Operational Base

Governmental » NASA

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o/b

overboard

Miscellaneous » Shipping & Sailing -- and more...

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"O/B." Abbreviations.com. STANDS4 LLC, 2017. Web. 23 Jul 2017. <http://www.abbreviations.comserp.php?st=O%2FB>.