| Acronym | Meaning |
| CHAMPP | Computer Hardware |
| CBEN | Center For Biological And Environmental Nan |
| CIESIN | Consortium Of International Earth Sciences Information Network |
| DE | Destruction Efficiency |
| MAMO | Multiparameter Alternant Molecular Orbital |
| GDOES | Glow Discharge Optical Emission Spectrometry |
| PSEP | Polyhedral Skeletal Electron Pair (for Metal Clusters) |
| SECH | Screened Exchange Plus Coulomb Hole Method |
| EMPA | Electron Microprobe Analysis |
| NEET | National Environmental Education And Training Program |