| Acronym | Meaning |
| MAHRSI | Middle Atmosphere High Resolution Spectrograph Investigation |
| GFAA | Graphite Furnace Atomic Absorption |
| GLOSS | Global Sea Level Observing System (of IOC) |
| SGGA | Symmetric Group Graphical Approach (in CI Calcns.) |
| DEQ | Department Of Environmental Quality |
| HEV | Hepatitis E Virus |
| RSPE | Rayleigh Schroedinger Perturbation Expansion |
| FML | Flexible Membrane Liner |
| CFM | Charge-fluctuation Model |
| RSCF | Relativistic Self-consistent Field |