| Acronym | Meaning |
| FAGS | Federation Of Astronomical And Geophysical Services |
| SOGVB | Strongly-orthogonal Generalized Valence-bond (wave Function) |
| BLISS | Balloon-borne Laser In Situ Sensor |
| CLF | Current Literature File |
| MWPC | Multiwire Proportional Chamber |
| PPFD | Photosynthetic Photon Flux D. |
| EET | Epoxyeicosatrienoic Acid |
| PIRI | Photoinduced Rydberg Ionization |
| ERD | Emergency Response Division |
| MOSIS | Metal Oxide Semiconductor Implementation Service |