| Acronym | Meaning |
| CFB | Continental Flood Basalt |
| NTGS | Air/Superfund National Technical Guidance Study |
| MP4(SDTQ) | Moeller-Plesset (perturbation Theory To) 4th Order With Single |
| HRTEM | High Resolution Transmission Electron Microscopy |
| TNLCD | Twisted Nematic Liquid Crystal Display |
| TDKS | Time-dependent Kohn-Sham (d.-functional Operator Equation) |
| CHEQ | Chelation Enhanced Quenching |
| GRAPE | Global Relationship Assessment To Protect The Environment |
| SRCI | Single-reference Configuration Interaction |
| ORS | Odds Ratios |