| Acronym | Meaning |
| YA | Yottaampere -Young Adult |
| ABCS | (U.S.) Army Battle Command System |
| ADTB | Army Doctrine And Training Bulletin |
| OSL | Open Source License - Optically Stimulated Luminescence - Orbiting Solar Laboratory |
| ACE | Air Combat Emulator (computer Game) - Allied Command Europe - Armored Combat Earthmover - Automatic Computing Engine |
| NSB | Norges Statsbaner (Norwegian State Railways) |
| CHI | Computer-Human Interaction |
| ABN | Australian Business Number (a Number Issued By The Australian Government As Registration Of A Business And Used For Taxation Purposes) |
| TMAP | Texas Medication Algorithm Project |
| VIS | Vavoua International School - Vienna Independent Shorts - Viewable Image Size - Visual Instruction Set |