| Acronym | Meaning |
| UQCISD | Unrestricted Quadratic Ci (with) Single (and) Double (excitations) |
| HGRF | Human Growth Hormone-releasing Factor |
| TPR | Total Population Risk |
| SAR | Sodium Absorption Ratio |
| AMSU | Advanced Microwave Sounding Unit |
| DRPA | Direct Random Phase Approximation |
| LBW | Laser-beam Welding |
| SOMBT | Spin-orbital Many-body Theory |
| ULPA | Ultra Low Penetration Air |
| SOC | Synthetic Organic Chemical |