| Acronym | Meaning |
| PTAL | Public Transport Accessibility Level |
| YC | Yottacoulomb |
| NEM CON | Nemine Contradicente (Latin |
| MOL | Moldovan Language (ISO 639-2 Code) - Mole (unit) |
| AFIST | Abrams Full Crew Interactive Skills Trainer |
| CJD | Chronological Julian Day - Creutzfeldt-Jakob Disease |
| AL | Attolitre |
| CHE | Switzerland (ISO 3166 Trigram; From Latin Confoederatio Helvetica) |
| HD | Henry Draper (star Catalogue) - Hull-Down (armoured Vehicle Target |
| BRL | Brazilian Real (ISO 4217 Currency Code) |