| Acronym | Meaning |
| CSD | Charge State Distribution |
| HIM | Hydroxy Interlayered Minerals (clay Minerals) |
| HFCLM | Hollow Fiber Contained Liquid Membrane |
| SCISAS | Size Classifying Isokinetic Sequential Aerosol Sampler |
| GRIDS | Geographic Resources Information And Data System |
| SLAPW | Superlinearized Augmented Plane Wave |
| CPA | Coherent Potential Approximation |
| DDE | Dichlorodiphenyldichloroethylene |
| CASRN | Chemical Abstracts Service Registry Number |
| HPM | Hole-potential Model (in Calcn. Of Mol. Excited States) |