| Acronym | Meaning |
| CARBASHD | Carbon-relayed Band-selected Homonuclear-decoupled |
| DOUBTFUL | Double Quantum Transitions For Finding Unresolved Lines |
| RHFO | Relativistic Hartree-Fock One-channel (for Scattering) |
| TBA | Tight Binding Approximation |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| RPL | Radio Photoluminescence |
| OGWDW | Office Of Ground Water And Drinking Water |
| EMMI | Environmental Monitoring Methods Index |
| AU | Astronomical Unit |
| EMS | Ethyl Methanesulfonate |