| Acronym | Meaning |
| GAR | Grain Aspect Ratio |
| OIC | Optical Interface Coupler |
| CDRH | Center For Devices And Radiological Health |
| PCE | Tetrachloroethylene (perchloroethylene Or Perk) |
| MORT | Molecular Orbital Resonance Theory |
| IDDB | Investigational Drugs Database |
| DPSSL | Diode Pumped Solid State Laser |
| AFIS | Advanced Fiber Information System |
| OLS | Online Library System |
| SAR | Simulated Acidic Rain |