| Acronym | Meaning |
| SMA | Spinal Muscular Atrophy |
| IGC | International Geological Congress |
| HGMD | Human Gene Mutation Database |
| BESB | Biological Environmental Specimen Banking |
| DIM-3C | Diatomics-in-mols. Method Including 3-center Terms (integrals) |
| PCMO | Precanonical Molecular Orbital |
| MECS | Manufacturing Energy Consumption Survey (DOE) |
| TPEPICO | Threshold Photoelectron-photoion Coincidence |
| OCAP | Open-channel Air Preheater |
| ALS | Alternating Least Squares |