Popularity	Country	Term	Definition	Main Category	Subcategory
		OPR	Overall Pressure Ratio	Academic & Science » Mechanical
		OPR	Overnight Policy Rate	Business » Finance
		OPR	Organisation du Peuple Rodriguais	Governmental » Firms & Organizations
		OPR	Old Parochial Registers	Society & Culture » Religion & Spirituality
		OPR	Old Port Rum	Society & Culture » Food & Drink
		OPS	Office of Public Safety	Governmental » Departments & Agencies
		OPS	Omaha Public Schools	Academic & Science » Universities & Institutions
		OPS	Oracle Parallel Server	Computing » Databases
		OPS	Ottakara Panneerselvam	Society & Culture » Celebrities & Famous
		OPS	Optical Parking System	Technology » Automotive
		OPS	Ottawa Police Service	Governmental » Police
		OPS	On-Base Plus Slugging	Sports & Recreations » Baseball
		OPSM	Optical Prescription Spectacle Makers	Business » Companies & Corporations
		OPSM	Oracle Parallel Server Management	Computing » Sofware & Applications
		OR	Oregon	Regional » States & Districts
		or	Oriya	Regional » Language Codes
		OR	Odds Ratio	Academic & Science » Mathematics
		OR	ArkeFly	Transport & Travel » Airline Codes
		Oracle	the name Oracle comes from the code name of a CIA project	Business » Companies & Corporations
		Oral-B	Oral-Brush	Business » Products
		OrCAD	Oregon + CAD	Computing » Sofware & Applications
		org	Organization	Computing » Domain Names (TLD)
		ORG	Oxford Research Group	Associations & Organizations » Social Welfare Organizations
		ORG	Open Rights Group	Associations & Organizations » Regional Organizations
		ORG	Zorg en Hoop Airport	Transport & Travel » Airline Codes