| Acronym | Meaning |
| DMARD | Disease Modifying Antirheumatic Drug |
| PERCI | Photoelectron Resonance Capture Ionization |
| OSM | US Office Of Surface Mining Reclamation And Enforcement |
| LSA | Local Space Approximation |
| SPM | Scanning Probe Microscopy |
| WQC | Water Quality Criteria |
| IAQP | Indoor Air Quality Program |
| NMP | Nuclear Microprobe |
| RSRG | Real-space Renormalization Group (method In Calcn. Of Green Functions For Electrons In Crystals) |
| CME | Crucible Melt Extraction |