| Acronym | Meaning |
| ASBF | Aerated Submerged Biological Filter |
| OTIS | One-dimensional Transport With Inflow And Storage |
| BMRC | British Medical Research Council |
| OE | Office Of Enforcement |
| NIF | National Ignition Facility |
| MOS | Metal Oxide Semiconductor (FET Devices) |
| TOPO | Trioctylphosphine Oxide |
| HALT | Hydrate Addition At Low Temperature (for Sulfur Dioxide Removal From Flue Gases) |
| ICLS | Intracavity Laser Spectroscopy |
| STORMS | Nevada Study And Tests Of The Release Of Mercury From Soils |