| Acronym | Meaning |
| MLS | Molecular Luminescence Spectroscopy |
| ECFP | Enhanced Cyan Fluorescent Protein |
| ECCF | Exchange Correlated Crystal Field |
| TPRS | Temperature Programmed Reaction Spectrometry |
| SSA | Specific Surface Area |
| ICPIC | International Cleaner Production Information Clearinghouse |
| DWS | Diffusing-wave Spectroscopy |
| EWIA | Eikonal (distorted) Wave Impulse Approxn. (for Scattering) |
| UQCISD | Unrestricted Quadratic Ci (with) Single (and) Double (excitations) |
| NURP | Nationwide Urban Runoff Program (USEPA) |