Popularity	Country	Term	Definition	Main Category	Subcategory
		OGPA	Overall Grade Point Average	Academic & Science » Exams & Tests
		OHCHR	Office of the United Nations High Commissioner for Human Rights	Associations & Organizations » International Orgaizations
		Ohm	named after German physicist, Georg Simon Ohm	Academic & Science » Units
		OHP	OverHead Projector	Computing » Hardware
		OHV	Off Highway Vehicle	Transport & Travel » Land Transport
		OHV	OverHead Valve	Technology » Automotive
		OIDAR	Online Information and Database Access or Retrieval	Business » Services
		OIGS	Osaka International Gift Show	Regional » Festivals & Events
		OIGS	Outreach Institute of Gender Studies	Associations & Organizations » Regional Organizations
		OIL	Oil India Limited	Governmental » Firms & Organizations
		OIL	Operation Iraqi Liberation	Academic & Science » History & Geography
		OIL	Ontology Inference Layer	Technology » Internet
		OK	Okay (Oll Korrect)	Academic & Science » Language & Linguistics
		OK	Oklahoma	Regional » States & Districts
		OK	Czech Airlines	Transport & Travel » Airline Codes
		OLED	Organic Light Emitting Diode	Academic & Science » Electronics
		OLEDB	Object Linking and Embedding, Database	Computing » Databases
		OLX	On Line eXchange	Business » Companies & Corporations
		OMAP	Open Multimedia Application Platform	Computing » Hardware
		OMFED	Orissa State Cooperative Milk Producers’ Federation Limited	Associations & Organizations » Regional Organizations
		OMG	Oh My God	Miscellaneous » Chat slang
		OMG	Object Management Group	Associations & Organizations » Technological Organizations
		OMG	Ocular Myasthenia Gravis	Medical » Diseases & Conditions
		OMR	Omani Rial	Regional » Currencies
		OMR	Optical Mark Recognition	Technology » Imaging & Printing