| Acronym | Meaning |
| PED | Potential Energy Distribution |
| BSO | Basic Symmetric Operator (in Second-quantization Calculations) |
| PHDD | Polyhalogenated Dibenzodioxin(s) |
| SID | Selected Ion Detection |
| MEF | Mouse Embryonic Fibroblast |
| SSRTF | Solid Surface Room Temperature Fluorescence |
| CLC | Clean Lakes Clearinghouse |
| RAMP | Receptor Activity Modifying Protein |
| PVDC | Poly(vinylidene Dichloride) |
| IRI | International Reference Ionosphere |