| Acronym | Meaning |
| OCAP | Open-channel Air Preheater |
| LSR | Liquid Silicone Rubber |
| ACES | Annual Cycle Energy Storage System |
| PTCA | Percutaneous Transluminal Coronary Angioplasty |
| EDXS | Energy-dispersive X-ray Spectroscopy |
| GCM | Global Climate Model |
| ZCC | Zero Core Contribution (model For Photodetachment Calcns.) |
| GMA | Glycidyl Methacrylate |
| SLIME | Spin-locked Inversion Mid-echo |
| PWPP | Plane-wave Pseudopotential |