| Acronym | Meaning |
| FP-SCF-INDO | Finite Perturbation-SCF-INDO |
| ADA | American Diabetes Association |
| SD-MBPT | Single (and) Double (substituted States) Many-body Perturbation Theory |
| IBR | In-plane Birefringence |
| CPC | Chemical Protective Clothing |
| WIPP | Waste Isolation Pilot Plant (for Nuclear Wastes) |
| SAC-CI | Symmetry-adapted Cluster Configuration Interaction (theory For Wave-function Expansion) |
| IOC | Inorganic Chemical |
| UKMO | United Kingdom Meteorological Office |
| RUS | Resonant Ultrasound Spectroscopy |