| Acronym | Meaning |
| EDTA | Ethylenediaminetetraacetic Acid |
| REO | Rare Earth Oxide |
| CPUE | Capture Per Unit Effort |
| WALTZ | Wonderful Alternating Phase Technique For Zero Residual Splittings |
| RATM | Renormalized Average T-matrix (for D.-of-states Calcns.) |
| NCDS | NASA Climate Data System |
| HWRAP | Hazardous Waste Remedial Actions Program |
| OPM | Open Path Monitors (air Pollution Sensors) |
| SIMPLISMA | Simple-to-use Interactive Self-modeling Mixture Analysis |
| IBS | Incomplete Basis Set |