| Acronym | Meaning |
| ROMP | Ring-opening Metathesis Polymerization |
| SOCO | Second-order Correlation Orbital |
| GRRR | Graduated Response For Risk Reduction |
| MOSMO | Maximum Overlap Symmetry Molecular Orbital |
| IERM | Intermediate Energy R-matrix (theory In Scattering Calcns.) |
| CTEB | Carcinogenesis And Toxicologic Evaluation Branch |
| NCEP | National Centers For Environmental Prediction |
| CNPPA | Commission On National Parks And Protected Areas |
| GTAW | Gas-tungsten Arc Welding |
| MOCD | Molecular Orbital Correlation Diagram |