Found 19,870 abbreviations starting with O:

OO

Other Orthogonal

Academic & Science » Mathematics

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OO

Open Optionals

Community » Sports

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OO

Orange Oatmeal

Miscellaneous » Food

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OO

Official Observer

Governmental » United Nations

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OO

Ochrana Ovzdusi

Computing » General

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OO

Open Office

Miscellaneous » Unclassified

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OO

Ogden Air Logistics Center

Governmental » Suppliers

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OO

Original Oratory

Miscellaneous » Unclassified

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OO

Oonajor One

Miscellaneous » Unclassified

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OO

Ohh Ohh

Miscellaneous » Funnies

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OO

Object Object

Miscellaneous » Unclassified

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OO

A Outstanding Options

Miscellaneous » Unclassified

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OO

Optix Obsessive

Miscellaneous » Unclassified

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OO

Orbitally Ordered

Academic & Science » Chemistry

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OO

Oakwood Outlaws

Community

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OO

Optimistic Orators Toastmasters Club

Miscellaneous » Toastmasters

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OO

Openoffice Oo

Miscellaneous » Unclassified

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OO

Orbital Order

Miscellaneous » Unclassified

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OO

Octopus Overlords

Miscellaneous » Science Fiction

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OO

Over and Out

Internet » Chat

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OO

Office of Origin

Governmental » FBI Files

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OO

Order Online

Business » General

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OO

On Order

Miscellaneous » Unclassified

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OO

Optimum Organic

Miscellaneous » Unclassified

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OO

Outer Office

Business » General

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