| Acronym | Definition |
|---|
| OAI➣Open Archives Initiative (interoperability standards for on-line documents) |
| OAI➣Open Application Interface |
| OAI➣Open Air Interface |
| OAI➣Open Archives Initiative |
| OAI➣Ohio Aerospace Institute |
| OAI➣Oil Analyzers, Inc. (US and Canada) |
| OAI➣Official Action Indicated (US FDA) |
| OAI➣Open Applications Interface |
| OAI➣Oracle Academic Initiative |
| OAI➣Off-Axis Illumination |
| OAI➣Optical Associates Inc. |
| OAI➣Online Auction Industry |
| OAI➣Oxford Asymmetry International (pharmaceuticals) |
| OAI➣Other Accompanying Information (federal finances) |
| OAI➣Open Architecture Initiative |
| OAI➣Outdoor Advertising Incorporated |
| OAI➣Ok As Is |
| OAI➣Outside Air Intake |
| OAI➣Organizational Assessment Instrument (US DHHS) |
| OAI➣Outlook Add-In |
| OAI➣Organizational Activity Interface |
| OAI➣Organizational Assessment and Improvement (National Cemetery Administration; US VA) |
| OAI➣Optional Additional Insurance (life insurance) |