| Acronym | Meaning |
| MCC | Motor Control Center |
| TTU | Transportable Treatment Unit |
| FFM | Friction Force Microscopy |
| ISC | Initial Safe Concentration |
| NRIOSA | Nonreactive Infinite-order Sudden Approxn. |
| ARRP | Ammonia Removal And Recovery Process |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| CHARM | Coupled Hydrosphere-Atmosphere Research Model |
| MICSPOMS | Metal Island Coated Swelling Polymer Over Mirror System |
| GPR | Ground-penetrating Radar |