| Acronym | Meaning |
| DISI | Direct-injection Spark-ignition |
| BSSEC | Basis-set Superposition Error Correction |
| ALACE | Autonomous Lagrangian Circulation Explorer (float) |
| HADS | Health Assessment Documents |
| DZDP | (double Zeta)-diffuse-polarization (basis Set In Configuration-mixing Mo Calcns. On Mols.) |
| IMA | Ion Microanalysis |
| BSBL | Bond Strength-bond Length (model Of Atom Abstraction Reaction) |
| HAOM | Hybrid Atomic Orbital Model |
| LFA | Long-chain Fatty Acid(s) |
| FLMTO | Film Linearized Muffin-tin Orbital (for Surface Electronic Structure Calcns.) |