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Word(s) in meaning: chat "global warming" Postal codes: USA: 81657, Canada: T5A 0A7 
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Your abbreviation search returned 55 meanings
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| Category Filters > | All definitions (55) |
Information Technology (14) |
Military & Government (12) |
Science & Medicine (8) |
Organizations, Schools, etc. (10) |
Business & Finance (20) |
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| sort results: alphabetical | rank ? | |||
| Rank | Abbr. | Meaning | |
|---|---|---|---|
| ****** | OSI | Open Systems Interconnection | |
| ****** | OSI | Open Society Institute | |
| ****** | OSI | Open Source Initiative | |
| ****** | OSI | Office of Special Investigations | |
| ***** | OSI | Online Software | |
| ***** | OSI | Office of Strategic Influence (band) | |
| ***** | OSI | Open Systems International (Minneapolis, MN) | |
| ***** | OSI | Osram Sylvania Inc. | |
| **** | OSI | Open System Interface | |
| **** | OSI | Outback Steakhouse, Inc. | |
| **** | OSI | Outsourcing Solutions Inc. | |
| **** | OSI | Out of Stock Indefinitely (usually referring to books) | |
| **** | OSI | Options Symbology Initiative (Options Clearing Corporation) | |
| **** | OSI | On-Site Inspection | |
| **** | OSI | Office of Scientific Intelligence | |
| **** | OSI | Office of Science and Innovation | |
| **** | OSI | Office of Strategic Initiatives | |
| **** | OSI | Office of Scientific Investigation (aka Office of Scientific Intelligence; fictional agency; Six Million Dollar Man and Bionic Woman) | |
| **** | OSI | Open Systems, Inc. | |
| *** | OSI | Office of School Improvement | |
| *** | OSI | Office of Strategic Information | |
| *** | OSI | Objective Systems Integrators, Inc. | |
| *** | OSI | Office of Secret Intelligence (fictional, Venture Brothers) | |
| *** | OSI | Office of Scientific Information | |
| *** | OSI | Other Similar Incidents | |
| *** | OSI | Open Switching Interval | |
| *** | OSI | Open System Integration | |
| *** | OSI | Ontario Swine Improvement Inc. (Ontario, Canada) | |
| *** | OSI | Ounces per Square Inch | |
| *** | OSI | Other Supplemental Information | |
| *** | OSI | Operator System Interface | |
| *** | OSI | Open Systems Interoperability | |
| *** | OSI | Open Standard Interconnection | |
| *** | OSI | Office of Statewide Intelligence (FDLE) | |
| *** | OSI | Operations System Interface | |
| *** | OSI | Optical Storage International | |
| *** | OSI | Operating Space Item | |
| ** | OSI | Organizational Strategies, Inc. (Arlington, VA) | |
| ** | OSI | Origin Systems Incorporated | |
| ** | OSI | Other Security Interests | |
| ** | OSI | Occupational Stress Injury (psychological difficulty) | |
| ** | OSI | Offshore Systems, Inc | |
| ** | OSI | operational subsystem interface (US DoD) | |
| ** | OSI | Operational Support Inventory | |
| ** | OSI | Online Social Interaction | |
| * | OSI | One Side Installation | |
| * | OSI | Originating Station Identifier | |
| * | OSI | Optimum Source Impedance | |
| * | OSI | Congregatio Oblatorum Sancti Ioseph (religious order, Oblates of St. Joseph) | |
| * | OSI | Oil States Industries (Oil States International) | |
| * | OSI | Oponix Systems Inc. | |
| * | OSI | Operating System Independent (computing) | |
| * | OSI | Organ Supply Industries (Erie, PA) | |
| * | OSI | Origo Sino-India PLC (UK) | |
| * | OSI | Outsourcing Services India | |
| Note: We have 230 other definitions for OSI in our Acronym Attic | |||
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