| Acronym | Meaning |
| PEDM | Perturbation Expansion (of The) Density Matrix |
| UHIPI | Ultrahigh Intensity Post-ionization |
| AOC | Areas Of Concern |
| CWM | Chemical Waste Management |
| PXD | Powder X-ray Diffraction |
| A.I. | Active Ingredient |
| DCMD | Direct Contact Membrane Distillation |
| CRU | Constitutional Repeating Unit |
| ACPTQ | Approx. Coupled Pair (theory Cor. For Connected) Triple And Quadruple Excitations |
| SPINDO | Spectroscopic Potentials Adjusted Intermediate Neglect Of Differential Overlap |