| Acronym | Meaning |
| STP | Similarity Transformation (based) Perturbation (theory) |
| HDF | Human Diploid Fibroblast |
| MR-CI-PS | Multireference-CI-perturbatively Selected |
| URT | Upper Respiratory Tract |
| SCTA | Sample Controlled Thermal Analysis |
| HPGE | High Purity Germanium |
| BFEM | Bright Field Electron Microscopy |
| EIMP | Energy Independent Model Pseudopotential |
| WWSCOT | Whisker Wall Support Coated Open Tubular Column |
| NVLAP | National Voluntary Laboratory Accreditation Program |