| Acronym | Meaning |
| GUVI | Global Ultraviolet Imager |
| LMTO | Linear Muffin-tin Orbital |
| SSSA | Soil Science Society Of America |
| HKF | Helgeson-Kirkham-Flowers (equation Of State) |
| GISNET | Geographic Information Systems Bulletin Board |
| GSA | Geological Society Of America |
| SARA | Saturates |
| LOPT | Large-order Perturbation Theory |
| APP | Acoustic Phase Plate |
| PAMSA | PCR Amplification Of Multiple Specific Alleles |