| Acronym | Meaning |
| DDT | Dichlorodiphenyltrichloroethane |
| TZ | Triple Zeta (basis Set) |
| DEMA | Distributed Electromechanical Actuator |
| MTTP | Maximum Total Trihalomethane Potential |
| HSX | Helically Symmetric Experiment |
| ECOP | Electron Correlation Polarization (potential) |
| MBR | Mobil Benzene Reduction [process] |
| MPT | Mitochondrial Permeability Transition |
| RCC | Relativistic Coupled Cluster |
| HRMS | High Resolution Microwave Survey |