| Acronym | Meaning |
 | AAIS | Advanced Airborne Interceptor Simulator |
| RWADA | Resident Weighted Average Daily Attendance (New York State Term Used In Public Education To Indicate The Size Of A School District |
| IPCC | Intergovernmental Panel On Climate Change |
| NW | Nanowatt |
| WSUS | Windows Server Update Services |
| SAT | Formerly Scholastic Aptitude Test And Scholastic Assessment Test; Now Known Solely By The Initials - Small Arms Trainer |
| NLD | Netherlands (ISO 3166 Trigram) |
| US | United States (alsoISO 3166 And FIPS 10-4 Country Code Digram) |
| GPA | Grade Point Average |
| LI | Fifty-one (in Roman Numerals) -Liberia (FIPS 10-4 Country Code) - Liechtenstein (ISO 3166 Digram) |
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