| Acronym | Meaning |
| POF | Premature Ovarian Failure |
| SU-MRCC | State Universal-multireference Coupled Cluster |
| HASL | Hot Air Solder Leveling [electronics] |
| NWWA | Northwest Water Authority (UK) |
| BEW | Base (or Biological) Equivalent Weight |
| LAMMS | Laser Micro Mass Spectrometry |
| EST | Eastern Standard Time |
| PSSR | Perturbed Stationary State With Relativistic Effects |
| NBO | Natural Bond Order |
| PPP | Positron Polarization Potential |