| Acronym | Meaning |
| SMM | Solar Maximum Mission |
| CHICO | Compact Heavy-ion Counter |
| HIRDLS | High-Resolution Dynamics Limb Sounder |
| LPP | Laser-produced Plasma |
| SIRMS | Stable Isotope Ratio Mass Spectrometry |
| SESAO | Semiempirical Scaled Atomic Orbital |
| SC-HL | Self-consistent Heitler-London |
| LIESST | Light-induced Excited Spin State Trapping |
| PVR | Pulmonary Vascular Resistance |
| SWRRB | Simulation For Water Resources In Rural Basins |