| Acronym | Meaning |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| IPNO | Independent-pair Natural Orbital |
| WAS | Whole Air Sampler |
| SSCV | Semi-submersible Crane Vessel |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| BLIS | BACT/LAER Information System |
| PRRSV | Porcine Reproductive And Respiratory Syndrome Virus |
| HKF | Helgeson-Kirkham-Flowers (equation Of State) |
| AIP | American Institute Of Physics |
| PESTANV4.0 | Pesticide Analytical Model Version 4.0 |