| Acronym | Meaning |
| CHL | Chile (ISO 3166 Trigram) |
| VFA | Volatile Fatty Acid |
| GR | Greece (FIPS 10-4 Country Code; ISO 3166 Digram) - Hail (METAR Code) |
| CU | Old Church Slavonic Language (ISO 639-1 Code) |
| MIP | Multilateral Interoperability Programme - Multiple Identity Poster |
| SGP | Singapore (ISO 3166 Trigram) |
| LORTID | LOng Range Target IDentification |
| HMM | Hidden Markov Model |
| ON | Ontario (postal Symbol) |
| QV | Quod Vide (Latin Which See) |