| Acronym | Meaning |
| NGPSA | Natural Gas Pipeline Safety Act |
| GUS | Groundwater Ubiquity Score |
| SPDM | Single-particle Density Matrix |
| DMPK | Myotonic Dystrophy Protein Kinase |
| IAG | International Association Of Geodesy |
| N-BOD | Nitrogenous Biochemical Oxygen Demand |
| PIERS | Polarized Infrared External Reflection Spectroscopy |
| SCBA | Self-consistent Born Approximation |
| MRSA | Methicillin-resistant Staphylococcus Aureus |
| CPM | Crucible Particle Metallurgy |