| Acronym | Meaning |
| PKR | Protein Kinase R |
| GDP | Glow Discharge Plasma (for Atomic Emission Spectrometry) |
| E-CATS | Electronic Catalog System |
| BALP | Bone Alkaline Phosphatase |
| CAI | Calcium Aluminum Inclusion |
| AHRQ | Agency For Healthcare Research And Quality |
| CCFL | Countercurrent Flow Limitation |
| MF | Modifying Factor (in Oral RfD) |
| ECPSSR | Energy-loss Coulomb-repulsion Perturbed-stationary-state Relativistic Theory |
| SCAIS | Simulation Code For Atm. IR Spectra |