| Acronym | Meaning |
| IBS | Irritable Bowel Syndrome |
| ESU | Emergency Services Unit |
| OMA | Open Mobile Alliance - Operations & Maintenance |
| SME | Northern Sami Language (ISO 639-2 Code) |
| PEBCAC | Problem Exists Between Chair And Computer (IT Help Desk In-joke) |
| LAS | McCarran International Airport (Las Vegas |
| AW | Attowatt |
| SAFER | Steel And Foam Energy Reduction |
| ARL | UK Admiralty Research Laboratory (1921?1977) - U.S. Army Research Laboratory - UIUC Aviation Research Laboratory |
| DMRB | Design Manual For Roads And Bridges |