| Acronym | Meaning |
| HID | Helium Ionization Detector |
| TDMO | Time-dependent Molecular Orbital |
| NMJ | Neuromuscular Junction |
| CHARM | Coupled Hydrosphere-Atmosphere Research Model |
| CHEF | Contour-clamped Homogeneous Field Electrophoresis |
| HBGF | Heparin-binding Growth Factor |
| CTTS | Charge Transfer To Solvent |
| EPM | Empirical Pseudopotential Method |
| PLO | Partially Localized Orbital |
| LIMB | Limestone Injection/multistage Burner |