| Acronym | Meaning |
 | OCI | Occitan Language (ISO 639-2 Code) |
| TN | Tennessee (postal Symbol) - Teranewton - Tonga (FIPS 10-4 Country Code) - Tunisia (ISO 3166 Digram) |
| FHFIF | Foster's Home For Imaginary Friends |
| ACLS | Alternate Crops And Systems Lab |
| CAV | Cavalry |
| BA | Bashkir Language (ISO 639-1 Code) |
| RIF | Reduction In Force (layoffs) - Resistance Index For Frostbite |
| NO | Nitric Oxide -Normally Open -Norway (ISO 3166 And FIPS 10-4 Country Code Digram) |
| MSG | MonoSodium Glutamate |
| JTN | Johnston Atoll (ISO 3166 Trigram; Obsolete 1986) |
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