| Acronym | Meaning |
| PIM | Powder Injection Molding |
| MAMO | Multiparameter Alternant Molecular Orbital |
| MCSCF | Multi Configuration Self Consistent Field |
| BSM | Breathing Shell Model |
| DPM | Disintegrations Per Minutepar |
| ANDI | Analytical Data Interchange |
| NBII | National Biological Information And Infrastructure |
| LUC | Large Unit Cell Semiempirical Approxn. (for Band Structure) |
| DIG | Diffuse Ionized Gas |
| AOTF | Acousto-optic Tunable Filter |