| Acronym | Meaning |
| ACP | Approximate Coupled-pair (method For Correlation-energy Calcn.) |
| TDH | Time-dependent Hartree Theory |
| HEAST | Health Effects Assessment Summary Tables |
| LCN | Light Cracked Naphtha |
| PBPC | Peripheral Blood Progenitor Cell |
| TSCATS | Toxic Substances Control Act Test Submissions Online Database |
| SWIFT | Sandia Waste-Isolation Flow And Transport Model |
| CSIR | Chemistry Software And Information Resources |
| RLM | Rotating Linear Model (for Effective Potential Surfaces In Coupled-channel Calcns. On Reactive Scattering) |
| CSC | Client Server Computing |