| Acronym | Meaning |
| ADA | Adenosine Deaminase |
| DICE | Dynamic Integrated Climate-economy Model |
| RFT | Respirator Fit Test |
| COLOC | Correlation Spectroscopy For Long-range Couplings |
| SLAC | Stanford Linear Accelerator Center |
| LACO | Linearized Atomic Cell Orbital (in Energy-band Calcn.) |
| MEHT | Modified Extended Hueckel Theory |
| RIFS | Reflectometric Interference Spectroscopy |
| FSCC | Fock Space Coupled Cluster |
| MEG | Modified Electron Gas (quantum Calcn. Method) |