| Acronym | Meaning |
| ANG II | Angiotensin II |
| FETAX | Frog Embryo Teratogenesis Assay-Xenopus |
| DIDA | Direct Isotope Dilution Analysis |
| LAOM | Localized At. Orbital Method (in Electronic Structure Calcn.) |
| PPG | Pike's Peak Granite (USGS Rock Standard) |
| NGCC | Natural Gas Combined Cycle |
| MZDO | Modified Zero Differential Overlap |
| RELAX | Refrigerator Enhanced Laser Analyzer For Xenon |
| PGS | Phosphosilicate Glass |
| MIDA | Mass Isotopomer Distribution Analysis |