| Acronym | Meaning |
| ADA | Adenosine Deaminase |
| ULIRG | Ultraluminous Infrared Galaxy |
| ASA | Alternancy Symmetry Adapted (method For Spin-independent Hamiltonians For Alternant Hydrocarbons) |
| ROSE | Remote Optical Sensing Of Emissions |
| OEAO | Overlap Enhanced Atomic Orbital |
| SCC | Source Classification Code |
| DSLFS | Doppler-shift Laser Fluorescence Spectroscopy |
| MRSD-CI+D | MRSD-CI (with) Davidson Correction |
| ESSESA | Expert System For Structure Elucidation From Spectral Analysis |
| FPKKR | Full-potential Korring-Kohn-Rostoker |