| Acronym | Meaning |
 | LLNL | Lawrence Livermore National Laboratory |
| GIGO | Garbage In Garbage Out (computing) |
| RO | Range Only - Red Orchestra -Romania (ISO 3166 And FIPS 10-4 Country Code Digram) |
| NPL | National Priorities List -Nepal (ISO 3166 Trigram) |
| GRID | Gay-Related Immune Deficiency (original Name Of AIDS) |
| RQ | Puerto Rico (FIPS 10-4 Territory Code) |
| KIN | Kinyarwanda Language (ISO 639-2 Code) |
| RAE | UK Royal Aircraft Establishment (?1991) |
| NY | New York (postal Symbol) |
| OCI | Occitan Language (ISO 639-2 Code) |
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