| Acronym | Meaning |
| SMA | Steel Manufacturers Association |
| ATM | Aerosol Trajectory Model |
| ROFA | Rotating Over Fire Air (boiler Firing) |
| ICDD | International Center For Diffraction Data |
| NPA | Natural Population Analysis |
| BIOS | British Intelligence Objectives Sub-committee |
| VIC | Vapor Injection Cure |
| NSDWR | National Secondary Drinking Water Regulations |
| TREF | Temperature Rising Elution Fractionation |
| CSF | Configuration State Function (part Of Ci Wave Function) |