| Acronym | Meaning |
| CRISTA | Cryogenic Infrared Spectrometers And Telescopes For The Atmosphere |
| FIP | Full Intra-pair (spin-coupling) (wave Function) |
| FREEON | Spin-free Orbital |
| DRI | Differential Refractive Index |
| TEAMS | Trace Element Accelerator Mass Spectrometry |
| ASTIS | Arctic Science And Technology Information System |
| EBIR | Energy Based Integral Retention (in Electronic-structure Calcns.) |
| SEESR | Simultaneous Electrochemical-electron Spin Resonance |
| BAAQMD | Bay Area Air Quality Management District |
| ELG | Emission-line Galaxy |