| Acronym | Meaning |
| HRMS | High Resolution Microwave Survey |
| ISX | Insoluble Starch Xanthate (ion Exchanger For Wastewater Treatment) |
| RASW | Relativistic Augmented Spherical Wave Method |
| SBS | Society For Biomolecular Screening |
| BBO | Beta-barium Borate |
| SA-MCSCF | State Averaged Multiconfiguration Self-consistent Field (wave Function) (see Also ICF-CI) |
| LCGDO | Linear Combination Of Generalized Diatomic Orbitals |
| GDL | Glow Discharge Lamp |
| FOB | Fecal Occult Blood |
| STIG | Steam-injected Gas Turbines |