| Acronym | Meaning |
| ARC | AIDS-related Complex |
| RGA | Residual Gas Analysis |
| CCMC-T2 | Coupled-cluster Multiconfigurational (double-excitation Method With Cluster Operator Approximated By T2) |
| MCDF-OL | Multiconfiguration Dirac-Fock Optimum Level |
| MSFC | Marshall Space Flight Center |
| EAP | Emission Assessment Program |
| PDP | Plasma Display Panel |
| CRM | Certified Reference Material |
| MGSA | Melanoma Growth Stimulatory Activity |
| GAR | Grain Aspect Ratio |