| Acronym | Meaning |
| KISS | KPNO International Spectroscopic Survey |
| HCS | Heliospheric Current Sheet |
| RACE | Reactive Accelerated Cluster Erosion |
| LAB | Linear Alkylbenzene |
| UQ-NG | Uniform-quality (basis Set) Constructed With A Number (n) Of Gaussian (g) Functions |
| DCO | Delayed Compliance Order |
| MBPLS | Multiblock Partial Least Squares |
| AOEC | Association Of Occupational And Environmental Clinics |
| BSM | Breathing Shell Model |
| RIOMETER | Relative Ionospheric Opacity Meter |