| Acronym | Meaning |
| IUCN | International Union For The Conservation Of Nature And Natural Resources (World Conservation Union) |
| UESAC | Uppsala-ESO Survey Of Asteroids And Comets |
| APOLLO | Apache Point Observatory Lunar Laser-ranging Operation |
| FTP | File Transfer Protocol |
| AS | Arsenic |
| GIMP | GNU Image Manipulation Program |
| ORM | Oromo Language (ISO 639-2 Code) |
| DSID | Dismounted Soldier Identification System |
| CPAC | Canadian Parliamentary Affairs Channel - Conservative Political Action Conference (see-pack) |
| SC | Sardinian Language (ISO 639-1 Code) |