Popularity Country/ Region Term Full Form | Definition | Meaning Main Category Subcategory
Worldwide O Oxygen Academic & Science » Chemistry
Worldwide O Oh Academic & Science » Language & Linguistics
Worldwide o octet Academic & Science » Units
Germany O Oberst Governmental » Military
Worldwide O Pyrrolysine Medical » Biochemistry
Worldwide O/o Office of Business » Business Terms
Worldwide O2 Oxygen Academic & Science » Chemistry
Worldwide O2O Online to Offline Business » Business Terms
Worldwide O3b Other 3 billion Business » Companies & Corporations
Worldwide OAB OverActive Bladder Medical » Diseases & Conditions
Brazil OAB Ordem dos Advogados do Brasil Associations & Organizations » Professional Associations
Worldwide OAB Oxford Annotated Bible News & Entertainment » Journals & Publications
Oman OAB Oman Arab Bank Business » Companies & Corporations
Japan OAB Oita Asahi Broadcasting Business » Companies & Corporations
Worldwide OAS Oracle Application Server Computing » Software & Applications
Worldwide OAS Option Adjusted Spread Business » Stock Market
United States OAS Office of Applied Studies Governmental » Census & Statistics
United States OAS Organization of American States Associations & Organizations » Governmental Organizations
Worldwide OAuth Open Authorization Computing » Security
India OBC Oriental Bank of Commerce Business » Banking
Worldwide OBC Organic & Biomolecular Chemistry News & Entertainment » Journals & Publications
Spain OBC Orquestra Simfònica de Barcelona i Nacional de Catalunya Arts » Musical groups
India OBC Other Backward Class Governmental » Census & Statistics
Canada OBC Order of British Columbia Society & Culture » Awards
Japan OBC Osaka Broadcasting Corporation News & Entertainment » TV & Radio