| Acronym | Meaning |
| ASE | Accelerated Solvent Extraction |
| CVSEH | Correlated Valence Shell Effective Hamiltonian |
| LSD-GX-CSEP | LSD-GX-with Correction Of Statistical Exchange Potential |
| FGM | Functionally Gradient Materials |
| SS-CCSD | State Selective-CCSD |
| EMPACT | Environmental Monitoring For Public Access And Community Tracking |
| CNDO/SW | Complete Neglect Of Differential Overlap / Sichel-Whitehead |
| ECLSS | Environmental Control And Life Support System |
| PIRAS | Polarized Infrared Absorption Spectroscopy |
| ISTH | International Society On Thrombosis And Hemostasis |