| Acronym | Meaning |
| AAR | Accumulation-area Ratio (for Glaciers) |
| DAPC | Department Of Air Pollution Control |
| NGDC | National Geophysical Data Center |
| BD | Brueckner (orbitals With) Double (substitution) (in Electron Correlation) |
| ASTER | Assessment Tools For The Evaluation Of Risk |
| OLF | Overland Flow |
| MPT | Microwave Plasma Torch |
| STHF | Single-term Hartree-Fock |
| LCBO | Linear Combination Of Bloch Orbital |
| CDW | Charge-density Wave |