| Acronym | Meaning |
| UPS | UV Photoelectron Spectroscopy |
| AJCC | American Joint Committee On Cancer |
| HIP | Hot Isostatic Pressing |
| AJM | Abrasive Jet Machining |
| SCTD | Superconducting Current Transfer Device |
| PHF | Projected Hartree Fock |
| PSNS | Pretreatment Standards For New Sources |
| ETF | Exponential-type Function (an Ao) |
| NNLO | Next-to-next-to-leading Order |
| GMO | Generalized Molecular Orbital |