| Acronym | Meaning |
| WCOT | Wall Coated Open Tubular Columns |
| SAC | Spectral Absorption Coeff. |
| PF | Pulverized Fuel |
| EYFP | Enhanced Yellow Fluorescent Protein |
| WQS | Water Quality Standard |
| GIRM | Generalized Internal Reference Method |
| NGPSA | Natural Gas Pipeline Safety Act |
| WSSA | Weed Science Society Of America |
| OHCE | One-and-a-half-centered Expansion (method For Calcns. On Charge Transfer In Ion-atom Scattering) |
| LCFC | Linear Combination Of Fragment Configuration |