| Acronym | Meaning |
| MCNDO | Modified Complete Neglect Of Differential Overlap |
| HEN | Heat Exchanger Network |
| THEES | Total Human Environmental Exposure Study |
| CFRP | Carbon Fiber Reinforced Plastic |
| POH | Purgeable Organic Halogen(s) |
| LOCI | Luminescence Oxygen Channeling Immunoassay |
| WSDA | Weighted Spin-density Approxn. |
| 4WM | Four Wave Mixing |
| JTU | Jackson Turbidity Unit |
| CNDO/F | Complete Neglect Of Differential Overlap/force |