What does O mean in Unclassified?

This page is about the meanings of the acronym/abbreviation/shorthand O in the Miscellaneous field in general and in the Unclassified terminology in particular.


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What does O mean?

O, o(n.)
the 15th letter of the English alphabet, a vowel.

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"O." Abbreviations.com. STANDS4 LLC, 2014. Web. 17 Dec. 2014. <http://www.abbreviations.com/term/261171>.

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