| Acronym | Meaning |
| GC-MS | Gas Chromatography-mass Spectrometry |
| ARPUS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
| MON | Motor (method) Octane No. |
| VPSA | Vainshtein-Presnyakov-Sobelman Approxn. (for Excitation In Atom-ion Collisions) |
| VACE | Vacancy Affinity Capillary Electrophoresis |
| ACME | Aquatic Cycling Of Mercury In The Everglades |
| HPC | Heterotrophic Plate Count |
| DWBE | Distorted-wave Born (approxn. With) Exchange |
| NDBEPR | Nitrification-denitrification Biological Excess Phosphorus Removal |
| FFA | Flammable Fabrics Act |