| Acronym | Meaning |
| SGTF | Spherical Gaussian-type Function |
| RFD | Reference Dose |
| ETA | Electrothermal Atomization |
| HIPS | High Impact Polystyrene |
| OCCSD | Open-shell Coupled-cluster (with) Single (and) Double (excitations) |
| CSH | Centrifugal Sudden Hyperspherical (coordinate Reactive Scattering Code) |
| HPET | High Performance Engineering Thermoplastic |
| TDO | Truncated Diatomic Orbital (a MO) |
| BNA | Bureau Of National Affairs |
| CAPE | Convective Available Potential Energy |