| Acronym | Meaning |
| AEFCA | All-electron Frozen-core Approximation |
| AMIE | Advanced Moon Micro-Imager Experiment |
| NDSC | Network For The Detection Of Stratospheric Change |
| AURA | Association Of Universities For Research In Astronomy |
| MSS | Monosulfide Solid Solution |
| STS | Slater Transition State (for Calcg. Electronic Transitions Of Atoms And Molecules) |
| PHS | Prostaglandin H Synthase |
| SPC | Statistical Process Control |
| DIERS | Design Institute For Emergency Relief Systems (AIChE) |
| EPCE | Effective Pair Correlation Energy Method |