| Acronym | Meaning |
| QSM | Quantum Statistical Mechanics |
| CERL | Construction Engineering Research Laboratory (US Army) |
| CDOM | Colored Dissolved Organic Matter |
| USDW | Underground Source Drinking Water |
| CDOE | Charge-dependent Orbital Exponent Theory |
| MLK | Mixed-lineage Kinase |
| DMPK | Myotonic Dystrophy Protein Kinase |
| DCP-OES | Direct Coupled Plasma-optical Emission Spectroscopy |
| APA | Air Pathway Analysis |
| SPDM | Single-particle Density Matrix |