| Acronym | Meaning |
| ABS | Atomic Beam Scattering |
| CAC | Carbon Arc Cutting |
| BMX | Brominated MX |
| COSTR | Collaborative Solar-Terrestrial Research |
| PMP4 | (spin) Projected Moeller-Plesset Fourth-order (perturbation Theory) |
| CMAS | Completely Mixed Activated Sludge |
| CS | Coupled-states (or Centrifugal Sudden) Approximation |
| BMV | Berthier-Millie-Veillard Method (semiempirical MO-SCF) |
| TSCAP | Thermally Stimulated Capacitance |
| RACER | Research On Antarctic Coastal Ecosystem Rates |