| Acronym | Meaning |
| CRE | Cree Language (ISO 639-2 Code) |
| PD | Palladium |
| EA | Electronic Attack - Engagement Area - Electronic Arts - Environmental Assessment -Exaampere |
| ER | Erbium |
| ACK | Acknowledge (telecommunications; Cf. NAK) |
| AVE | Avestan Language (ISO 639-2 Code) |
| KJ | Kilojoule |
| SWAP | Surface Waters Acidification Programme |
| ONS | Operational Needs Statement |
| MTQ | Martinique (ISO 3166 Trigram) |