| Popularity | Country | Term | Definition | Main Category | Subcategory |
|---|---|---|---|---|---|
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O | Oxygen | Academic & Science » Chemistry | |
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O | Oh | Academic & Science » Language & Linguistics | |
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o | octet | Academic & Science » Units | |
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O | Oberst | Governmental » Military | |
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O | Pyrrolysine | Medical » Biochemistry | |
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O/o | Office of | Business » Business Terms | |
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O2 | Oxygen | Academic & Science » Chemistry | |
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O2O | Online to Offline | Business » Business Terms | |
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O3b | Other 3 billion | Business » Companies & Corporations | |
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OAB | Oman Arab Bank | Business » Companies & Corporations | |
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OAS | Oracle Application Server | Computing » Sofware & Applications | |
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OAS | Option Adjusted Spread | Business » Stock Market | |
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OAS | Office of Applied Studies | Governmental » Census & Statistics | |
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OAS | Organization of American States | Associations & Organizations » Governmental Organizations | |
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OAuth | Open Authorization | Computing » Security | |
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OBC | Other Backward Class | Governmental » Census & Statistics | |
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OBC | Oriental Bank of Commerce | Business » Banking | |
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OBC | Over Betuwe College | Academic & Science » Universities & Institutions | |
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OBD | On-Board Diagnostics | Technology » Automotive | |
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OBD | Outbound Dialler | Technology » Communication | |
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OBD | Opposed Blade Damper | Academic & Science » Mechanical | |
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OBD | Obano Airport | Transport & Travel » Airport Codes | |
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OBD | Organic Brain Disease | Medical » Diseases & Conditions | |
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OC | Orange County | Regional » Countries | |
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OC | Original Content | Miscellaneous » Chat slang | |