| Acronym | Meaning |
| SSC | Sulfide Stress Cracking |
| WQS | Water Quality Standard |
| NNI | National Nanotechnology Initiative |
| AMDCB | Applied Moment-Double Cantilever Beam |
| EDZ | Emission Density Zoning |
| PUHFS | Projected Unrestricted-Hartree-Fock-Slater |
| PROM | Programmable Read-only Memory |
| APL | Alternative Pollutant Limits |
| PRMO | Partially Restricted Molecular Orbital |
| SULEV | Super Ultra-low Emission Vehicle |