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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 148 meanings
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showing only Military and Government definitions (Show all) |
| Category Filters > | All definitions (148) |
Information Technology (23) |
Military & Government (29) |
Science & Medicine (50) |
Organizations, Schools, etc. (20) |
Business & Finance (19) |
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| sort results: alphabetical | rank ? | |||
| Rank | Abbr. | Meaning | |
|---|---|---|---|
| ****** | SI | Statutory Instrument (UK Legislation term) | |
| ****** | SI | Standardization (Flight) Instructor | |
| ****** | SI | System Interface | |
| ***** | SI | Software Item | |
| ***** | SI | Site Inspection | |
| ***** | SI | Service Index | |
| ***** | SI | Special Instruction | |
| **** | SI | Special Intelligence | |
| **** | SI | Special Inspection | |
| **** | SI | Solution Implementation | |
| **** | SI | Summons Issued | |
| **** | SI | Security Inspector | |
| **** | SI | Sensitivity Information | |
| **** | SI | Shipping Instruction | |
| **** | SI | Skill Identifier (US Army) | |
| **** | SI | Surveillance and Intelligence | |
| *** | SI | Safeguards Information | |
| *** | SI | Standardization and Interoperability | |
| *** | SI | Surveillance Index | |
| *** | SI | Straight-In Approach | |
| *** | SI | Sergeant Instructor | |
| *** | SI | Summary Investigation | |
| *** | SI | Supporting Installation | |
| *** | SI | Sponsor Identification | |
| *** | SI | Surveyor Intern | |
| ** | SI | Selective Interchange | |
| ** | SI | Safety/Site Inspection | |
| * | SI | Signaling Intelligence | |
| * | SI | Slave Illuminator | |
| showing only Military and Government definitions (show all 148 definitions) | |||
| Note: We have 111 other definitions for SI in our Acronym Attic | |||
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