| Acronym | Meaning |
| COSPAR | Committee On Space Research |
| MIDAS | Manchester Information Datasets And Associated Services |
| QCSE | Quantum-confined Stark Effect |
| CID | Configuration Interaction With Double Substitution |
| ESWTR | Enhanced Surface Water Treatment Rule |
| ZDDO | Zero Diatomic Differential Overlap |
| CGTF | Cartesian Gaussian-type Function |
| GMO | Group Molecular Orbital |
| U.S.C. | United States Code |
| ECBM | Enhanced Coalbed Methane (recovery) |