| Acronym | Meaning |
| NIGMS | National Institute Of General Medical Sciences (NIH) |
| DF-OCE | Dirac-Fock One-center Expansion |
| RLV | Reusable Launch Vehicles (aeronautics) |
| MRT | Mean Residence Time |
| MNDO-PM3 | Modified Neglect Of Diatomic Overlap-parametric Method |
| FOM | Figure Of Merit |
| DCPAES | Direct Current Plasma Atomic Emission Spectrometry |
| ACWM | Asbestos Containing Waste Material |
| TLP | Transient Liquid Phase |
| WECC | Western European Calibration Cooperation |