| Acronym | Meaning |
| LIESST | Light-induced Excited Spin State Trapping |
| ISCI | Initial-state Configuration Interaction |
| CCSA | Classical Cintrifugal-sudden Approxn. |
| CGCG | Catalog Of Galaxies And Clusters Of Galaxies |
| GTA | Gas Tungsten Arc Welding |
| HRMSI | High-Resolution Multispectral Instrument (EOS) |
| GLAS | Geoscience Laser Altimeter System |
| CVS | Cardiovascular Effects |
| MBPV | Mixed-basis Potential Variation (for Electronic-structure Calcn.) |
| MRSD-CI | Multireference Single And Double Excitation CI |