What does IOR stand for?

What does IOR mean?

IOR	Interoperable Object Reference Miscellaneous » Unclassified
IOR	Inspector Of Record Business » Positions
IOR	Index Of Refraction Miscellaneous » Unclassified
IOR	Index Of Refraction Academic & Science » Physics
IOR	Institute of Religion Medical » Human Genome
IOR	Independent Order Of Rechabites Miscellaneous » Unclassified
IOR	Interface Object Reference Computing » Networking
IOR	Interrupt Offset Register Miscellaneous » Unclassified
IOR	Invest Or Retire Business » Stock Exchange
IOR	Industrie Optic Romania Business » Firms
IOR	Inishmore, Republic Of Ireland Regional » Airport Codes
IOR	Infiltrate Observe And Rescue Miscellaneous » Unclassified
IOR	Industries Optical de Romania Business » Firms
IOR	Institute for Religious Works (Vatican Bank) Business » Banking