| Acronym | Meaning |
| MMDR | Microwave-microwave Double Resonance |
| LCA | Life Cycle Assessment |
| CCA | Crystalline Cluster Approach (in Electronic Structure Calcns.) |
| EPIC | Electronics Properties Information Center |
| TIGR | The Institute For Genomic Research |
| DBD | DNA Binding Domain |
| CAD | Computer-Aided Design |
| PO-DVR-REV | Potential Optimized-discrete Variable Representation-ray Eigenvector |
| RI/FS | Remedial Investigation/feasibility Study (Superfund) |
| NASN | National Air Sampling Network |