| Acronym | Meaning |
| MP2-R12 | MP2 Theory With Terms Linear In Interelectronic Distance (r12) |
| GLOBE | Global Learning And Observations To Benefit The Environment |
| ACTS | Advanced Communications Technologies And Services |
| ALE | Atomic Layer Epitaxy |
| DTGS | Deuterated Triglycine Sulfate |
| LERAM | Littoral Ecosystem Risk Assessment Model |
| SCE | Self-consistent Energy (method In At. And Mol. Calcns. With An Einsteinian Relativistic Theory |
| RSFQ | Rapid Single Flux Quantum |
| MAXI | Monitor Of All-sky X-ray Image |
| QITMS | Quadrupole Ion Trap Mass Spectrometry |