| Acronym | Meaning |
| MPC | Maximum Permissible Concentration |
| GDT | Generalized Dilatation Transformation (method In Study Of Stationarity Principle For At. And Mol. Resonance States) |
| DAXRT | Double-axis Reflection X-ray Topography |
| HCCO | Heavy Catalytic Cycle Oil |
| DIM-3C | Diatomics-in-mols. Method Including 3-center Terms (integrals) |
| STLC | Soluble Threshold Limit Concentration |
| CCMSD | Computational Center For Molecular Structure And Design |
| UCC(N) | Unitary Coupled-cluster [truncated To Nth Order] |
| CHF | Critical Heat Flux |
| ANEP | Association Of Northwest Environmental Professionals |