| Acronym | Meaning |
| TH | Total Hardness [of Water] |
| FAP | Familial Amyloidotic Polyneuropathy |
| PKG | Protein Kinase G |
| CRL | Central Regional Laboratory |
| GAMP | Global Atmospheric Measurements Program |
| SMOW | Standard Mean Ocean Water |
| DASHO | Designated Agency Safety And Health Official |
| EGO | Ellipsoidal Gaussian Orbital |
| EASC | Extended Anaerobic Sludge Contact |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |