| Acronym | Meaning |
| EIT | EUV (extreme Ultraviolet) Imaging Telescope |
| SCSA | Small-curvature Semiclassical Adiabatic (approxn. For Mol. Energy Levels) |
| IPES | Inverse Photoemission Spectroscopy |
| CSCF | Canonical Self-consistent Field |
| ASTROS | Automated Structural Optimization System |
| PICLS | Photoionization Controlled-loss Spectroscopy |
| NABSA | Nucleic Acid Based Sequence Amplification |
| MSS | Mobile Servicing Station [space Station] |
| DAA | Days After Anthesispar |
| ASBMB | American Society For Biochemistry And Molecular Biology |