| Acronym | Meaning |
| PFRP | Process To Further Reduce Pathogens |
| SADVR | Symmetry-adapted Discrete Variable Representation (in Mol. Wave Function Calcn. For Nuclear Motion On A Given PES) |
| MBE | Many-body Expansion (in Mol. Potential Energy Surface Calcn.) |
| SNIF | Site-specific Natural Isotope Fractionation |
| BSPT | Blizzard Santry Perturbation Theory |
| LMF | Ladle Metallurgical Facility |
| LGIC | Ligand-gated Ion Channel |
| PSCI | Partitioned (orbital Hessian) Super-configuration Interaction |
| MLOPEX | Mauna Loa Observatory Photochemistry Experiment |
| IAMAP | International Association Of Meteorology And Atmospheric Physics (ICSU) |