| Acronym | Meaning |
| IND | India (ISO 3166 Trigram) |
| NCL | New Caledonia (ISO 3166 Trigram) |
| PN | Piconewton |
| LIE | Liechtenstein (ISO 3166 Trigram) |
| K/T | Cretaceous/Tertiary Boundary |
| RSPB | (UK) Royal Society For The Protection Of Birds |
| ANZAC | Australian And New Zealand Army Corps |
| AFI | French Territory Of The Afars And Issas (ISO 3166 Trigram; Obsolete Since 1977) - Agencia Federal De Investigaci›nes (M?xico) |
| ACE | Air Combat Emulator (computer Game) - Allied Command Europe - Armored Combat Earthmover - Automatic Computing Engine |
| ICANN | Internet Corporation For Assigned Names And Numbers |